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	<title>漸化式 - 質問解決D.B.（データベース）</title>
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	<description>「質問解決D.B.」は、算数・数学・英語・理科等の「そこが知りたい」を問題別・単元別に検索でき、あなたの質問を解決する「学習動画」をピンポイントで探す「動画検索総合サイト」です。(小学生・中学生・高校生の単元学習／中学受験・高校受験・大学受験に対応)</description>
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	<title>漸化式 - 質問解決D.B.（データベース）</title>
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		<title>【数B】【数列】条件a1=2, b1=6, an+1=2an+bn, bn+1=3an+4bnによって定められる数列{an},{bn}がある。数列{an},{bn}の一般項を、それぞれ求めよ。</title>
		<link>https://kaiketsu-db.net/all_unit_post/dadxqvxvvcy/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=dadxqvxvvcy</link>
		
		<dc:creator><![CDATA[newtonton0716]]></dc:creator>
		<pubDate>Wed, 25 Feb 2026 08:19:47 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=90330</guid>

					<description><![CDATA[<p>動画について不明点や質問などあればコメント欄にお気軽にお書きください！ 質問解決D.B.（データベース） - 算数・数学・英語・理科等の問題別・単元別の解説動画のまとめサイトです。 https://kaiketsu-db [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/dadxqvxvvcy/">【数B】【数列】条件a1=2, b1=6, an+1=2an+bn, bn+1=3an+4bnによって定められる数列{an},{bn}がある。数列{an},{bn}の一般項を、それぞれ求めよ。</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p>動画について不明点や質問などあればコメント欄にお気軽にお書きください！ 質問解決D.B.（データベース） - 算数・数学・英語・理科等の問題別・単元別の解説動画のまとめサイトです。 https://kaiketsu-db.net/ ■問題文 条件a1=2, b1=6, an+1=2an+bn, bn+1=3an+4bnによって定められる数列{an},{bn}がある。 (1) a2, b2, a3, b3を求めよ。 (2) 数列{an+bn},{3an-bn}の一般項を、それぞれ求めよ。 (3) (2)の結果を用いて、数列{an},{bn}の一般項を、それぞれ求めよ。 ■チャプター 00:00 スタート 00:12 (1)解説 00:48 (2)解説 03:07 (3)解説 ■関連動画 超わかる！数B数列1 https://youtu.be/_QH17S4rEZg 超わかる！数B数列2 https://youtu.be/qsk-S5q2Qyc 超わかる！数B数列3 https://youtu.be/w1Ilv89OuP0 ■動画情報 科目：数学 指導講師：ホーン・フィールド ★チャンネル登録はこちらからお願いします！ http://www.youtube.com/channel/UCdQ0y9lyNRKcbH8dv2janrw?sub_confirmation=1 ★チャンネルのツイッターはこちらから https://twitter.com/risu_k_channel #数B　#数列 #概要欄も見てね</p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/dadxqvxvvcy/">【数B】【数列】条件a1=2, b1=6, an+1=2an+bn, bn+1=3an+4bnによって定められる数列{an},{bn}がある。数列{an},{bn}の一般項を、それぞれ求めよ。</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>【数B】【数列】1から8までの数字のさいころを繰り返し投げ、n回目までに出た数字の合計をX (n) とする。X (n) を3で割ったあまりが0,1,2をそれぞれ数列で置くとき、それぞれの一般項を求めよ</title>
		<link>https://kaiketsu-db.net/all_unit_post/qmj0v7bwjjw/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=qmj0v7bwjjw</link>
		
		<dc:creator><![CDATA[newtonton0716]]></dc:creator>
		<pubDate>Sat, 11 Oct 2025 09:37:26 +0000</pubDate>
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					<description><![CDATA[]]></description>
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		<title>【数B】【数列】数列{an}の一般項を求めよ。(1)a1=1, a2=2, an+2+3an+1-4an=0(2)a1=0, a2=1, an+2+5an+1+6an=0他1問</title>
		<link>https://kaiketsu-db.net/all_unit_post/zvnlr5ek7u8/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=zvnlr5ek7u8</link>
		
		<dc:creator><![CDATA[newtonton0716]]></dc:creator>
		<pubDate>Thu, 09 Oct 2025 08:26:07 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=86877</guid>

					<description><![CDATA[<p>動画について不明点や質問などあればコメント欄にお気軽にお書きください！ 質問解決D.B.（データベース） - 算数・数学・英語・理科等の問題別・単元別の解説動画のまとめサイトです。 https://kaiketsu-db [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/zvnlr5ek7u8/">【数B】【数列】数列{an}の一般項を求めよ。(1)a1=1, a2=2, an+2+3an+1-4an=0(2)a1=0, a2=1, an+2+5an+1+6an=0他1問</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p>動画について不明点や質問などあればコメント欄にお気軽にお書きください！ 質問解決D.B.（データベース） - 算数・数学・英語・理科等の問題別・単元別の解説動画のまとめサイトです。 https://kaiketsu-db.net/ ■問題文 次の条件によって定められる数列{an}の一般項を求めよ。 (1) a1=1, a2=2, an+2+3an+1-4an=0 (2) a1=0, a2=1, an+2+5an+1+6an=0 (3) a1=1, a2=4, an+2-6an+1+9an=0 ■チャプター 00:00 スタート 00:17 (1)解説 04:46 (2)解説 06:30 (3)解説 ■関連動画 超わかる！数B数列1 https://youtu.be/_QH17S4rEZg 超わかる！数B数列2 https://youtu.be/qsk-S5q2Qyc 超わかる！数B数列3 https://youtu.be/w1Ilv89OuP0 ■動画情報 科目：数学 指導講師：ホーン・フィールド ★チャンネル登録はこちらからお願いします！ http://www.youtube.com/channel/UCdQ0y9lyNRKcbH8dv2janrw?sub_confirmation=1 ★チャンネルのツイッターはこちらから https://twitter.com/risu_k_channel #数B　#数列 #概要欄も見てね</p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/zvnlr5ek7u8/">【数B】【数列】数列{an}の一般項を求めよ。(1)a1=1, a2=2, an+2+3an+1-4an=0(2)a1=0, a2=1, an+2+5an+1+6an=0他1問</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<title>【数B】【数列】条件a1=4, an+1=4an+8/an+6によって定められる数列{an}に対して、bn=an-2/an+4とおくと、数列{bn}は等比数列である。数列{an}の一般項を求めよ。</title>
		<link>https://kaiketsu-db.net/all_unit_post/lahw0vyf828/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=lahw0vyf828</link>
		
		<dc:creator><![CDATA[newtonton0716]]></dc:creator>
		<pubDate>Tue, 07 Oct 2025 09:33:58 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=86763</guid>

					<description><![CDATA[<p>動画について不明点や質問などあればコメント欄にお気軽にお書きください！ 質問解決D.B.（データベース） - 算数・数学・英語・理科等の問題別・単元別の解説動画のまとめサイトです。 https://kaiketsu-db [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/lahw0vyf828/">【数B】【数列】条件a1=4, an+1=4an+8/an+6によって定められる数列{an}に対して、bn=an-2/an+4とおくと、数列{bn}は等比数列である。数列{an}の一般項を求めよ。</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p>動画について不明点や質問などあればコメント欄にお気軽にお書きください！ 質問解決D.B.（データベース） - 算数・数学・英語・理科等の問題別・単元別の解説動画のまとめサイトです。 https://kaiketsu-db.net/ ■問題文 条件a1=4, an+1=4an+8/an+6によって定められる数列{an}に対して、bn=an-2/an+4とおくと、数列{bn}は等比数列である。数列{an}の一般項を求めよ。 ■チャプター 00:00 スタート(問題確認) 00:12 bnを求める 02:10 anを求める ■関連動画 超わかる！数B数列1 https://youtu.be/_QH17S4rEZg 超わかる！数B数列2 https://youtu.be/qsk-S5q2Qyc 超わかる！数B数列3 https://youtu.be/w1Ilv89OuP0 ■動画情報 科目：数学 指導講師：ホーン・フィールド ★チャンネル登録はこちらからお願いします！ http://www.youtube.com/channel/UCdQ0y9lyNRKcbH8dv2janrw?sub_confirmation=1 ★チャンネルのツイッターはこちらから https://twitter.com/risu_k_channel #数B　#数列 #概要欄も見てね</p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/lahw0vyf828/">【数B】【数列】条件a1=4, an+1=4an+8/an+6によって定められる数列{an}に対して、bn=an-2/an+4とおくと、数列{bn}は等比数列である。数列{an}の一般項を求めよ。</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<title>【高校数学】隣接三項間の漸化式の特性方程式の意味～分かりやすく丁寧に～ 3-19.5【数学Ｂ】</title>
		<link>https://kaiketsu-db.net/all_unit_post/ydyem6hpwz4/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=ydyem6hpwz4</link>
		
		<dc:creator><![CDATA[一味9003]]></dc:creator>
		<pubDate>Thu, 02 Oct 2025 08:00:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=89343</guid>

					<description><![CDATA[<p>#あきとんとん#教育系YouTuber#勉強本はこれ✅ 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! Amazon：https://amzn.to/3TSHhYz 楽天：https://a.r10.to/h [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/ydyem6hpwz4/">【高校数学】隣接三項間の漸化式の特性方程式の意味～分かりやすく丁寧に～ 3-19.5【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><a href="https://www.youtube.com/hashtag/%E3%81%82%E3%81%8D%E3%81%A8%E3%82%93%E3%81%A8%E3%82%93">#あきとんとん</a><a href="https://www.youtube.com/hashtag/%E6%95%99%E8%82%B2%E7%B3%BByoutuber">#教育系YouTuber</a><a href="https://www.youtube.com/hashtag/%E5%8B%89%E5%BC%B7">#勉強</a>本はこれ<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! Amazon：<a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqblc2X1JYa2N6N1pQcTI4R1lheTBKRDJhdVI4UXxBQ3Jtc0tuaTA0X2RpNWlBVEVFeDVkUjJNdldTWDc0S2RqSVduRVZZbGRzeEV0TnBRZEJ0SFBiYWQ2YUUtTkxvS0NVcVlKeVJZbGlWdFFMX29BSU1hOVFNYnRHcFZudkQySTJxUlFHdzU2R2JSbVp5ZnNwYWN1Yw&amp;q=https%3A%2F%2Famzn.to%2F3TSHhYz&amp;v=YdyEM6hpWz4" rel="noreferrer noopener" target="_blank">https://amzn.to/3TSHhYz</a> 楽天：<a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqblYyeVlGWGdZQlpDdUYwZnpiNHpZTUdtNnFQZ3xBQ3Jtc0tsa0xIbmFmWFo0WVRxTHVqZnktYmxxTUNhWjh2dWZXZmhnXzlWYUMzcTZ2RTJ3WC1KcjI0dDJORjhjUjN6eVJKQmd3YllyeWxvc29JSWVsVVIxSXN6WnlfVDRjdmZwalgzNmhyaGx5VUs0ZXRGd05vZw&amp;q=https%3A%2F%2Fa.r10.to%2FhktTGS&amp;v=YdyEM6hpWz4" rel="noreferrer noopener" target="_blank">https://a.r10.to/hktTGS</a> 〇おとなサイエンス Amazon：<a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa09JR1MzU0RvMXFMQ3RuYTdfdHhJT0IzSncyQXxBQ3Jtc0trNk05R282elFkS2ZRZWZ4R0s5dGhkWVk1SlJvc29vR0V0cDB6LWxNTWIzZy1EZXBMMkI0bVg3bnAxWThWS21xM2hRbXM4WTBIQzAzRHZaSFVjdzVDbFQ0RUtybEIwaWx1OTN5Mi0ySlhjZUtXWl8tdw&amp;q=https%3A%2F%2Famzn.to%2F4lvnzyI&amp;v=YdyEM6hpWz4" rel="noreferrer noopener" target="_blank">https://amzn.to/4lvnzyI</a> 楽天：<a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbmRKWEhCeFhsdzBkYzhIR05pYUFsLTRyRWdlQXxBQ3Jtc0ttVjFkWVk3Q3ItblpldGdJMWNoSWxUTlpwVVJoWXB0YmZiRnJEbUVwOG10bFZJNEU0SUs1ekJJbWJpek5HMDFyT2FJZUZGYWljNk5iajFscUxxaWdxMmlRb3BEdktGQlI3WHpiYzJhclZjbTJwU3RpMA&amp;q=https%3A%2F%2Fa.r10.to%2FhNdGej&amp;v=YdyEM6hpWz4" rel="noreferrer noopener" target="_blank">https://a.r10.to/hNdGej</a> 〇マス×コン！2巻 Amazon：<a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqazFRakdwSzRMVlIyQVJ3dEJpUmt1SnMxRlRqd3xBQ3Jtc0trT3pST095SUpDTnp2dHFLRG1OQnpzOTk2UUJtLV9GdzkzSjhtOGY4Q1NXVVliYmZWdFFITzVoT1gzV3NYSDZXVFdzU1FHTG5LUUhmckJCMGkzWTVaQVVKRU1SQU43Vk16NkFfS3pPdFcyWXBWZENsWQ&amp;q=https%3A%2F%2Famzn.to%2F45R8kc2&amp;v=YdyEM6hpWz4" rel="noreferrer noopener" target="_blank">https://amzn.to/45R8kc2</a> 楽天：<a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa2pSUzhqbl9seUpzNFhUZHZqRkZobzJ1ZnpnQXxBQ3Jtc0tuaGQ5VkhjczhZbnZKNnJ5dUJvM3c4ZUp4TXdSVE1DSnJlYkNwRU02RnRSd3JtZXU5dXdnRjJKMW1lNVNwclhVWkZFcUhUY0NTbjNURzVIMXlmRkNBZ3U5ekJnR3hqeDd5NHVuNGpxVnNucXNKSXF4NA&amp;q=https%3A%2F%2Fa.r10.to%2FhNwEEo&amp;v=YdyEM6hpWz4" rel="noreferrer noopener" target="_blank">https://a.r10.to/hNwEEo</a> 〇マス×コン！1巻 Amazon ：<a 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<p><a href="https://www.youtube.com/@akitonton"></a></p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/ydyem6hpwz4/">【高校数学】隣接三項間の漸化式の特性方程式の意味～分かりやすく丁寧に～ 3-19.5【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<item>
		<title>【高校数学】隣接3項間の漸化式～解き方を覚えよう～ 3-19【数学Ｂ】</title>
		<link>https://kaiketsu-db.net/all_unit_post/ehsmlsve5sq/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=ehsmlsve5sq</link>
		
		<dc:creator><![CDATA[一味9003]]></dc:creator>
		<pubDate>Wed, 24 Sep 2025 08:00:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=89324</guid>

					<description><![CDATA[<p>#あきとんとん#教育系YouTuber#勉強隣接三項間の漸化式を分かりやすく 誰でも点数が取れる方法 本はこれ✅ 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! Amazon：https://amzn.to/ [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/ehsmlsve5sq/">【高校数学】隣接3項間の漸化式～解き方を覚えよう～ 3-19【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><a href="https://www.youtube.com/hashtag/%E3%81%82%E3%81%8D%E3%81%A8%E3%82%93%E3%81%A8%E3%82%93">#あきとんとん</a><a href="https://www.youtube.com/hashtag/%E6%95%99%E8%82%B2%E7%B3%BByoutuber">#教育系YouTuber</a><a href="https://www.youtube.com/hashtag/%E5%8B%89%E5%BC%B7">#勉強</a>隣接三項間の漸化式を分かりやすく 誰でも点数が取れる方法 本はこれ<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! 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<p><a href="https://www.youtube.com/@akitonton"></a></p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/ehsmlsve5sq/">【高校数学】隣接3項間の漸化式～解き方を覚えよう～ 3-19【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<title>【高校数学】漸化式で特性方程式を使う理由 3-18.5【数学Ｂ】</title>
		<link>https://kaiketsu-db.net/all_unit_post/1k-armoulqc/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=1k-armoulqc</link>
		
		<dc:creator><![CDATA[一味9003]]></dc:creator>
		<pubDate>Wed, 17 Sep 2025 08:00:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=88836</guid>

					<description><![CDATA[<p>#あきとんとん#勉強#教育系YouTuber漸化式で特性方程式を使っていい理由 本はこれ✅ 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! Amazon：https://amzn.to/3TSHhYz 楽天： [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/1k-armoulqc/">【高校数学】漸化式で特性方程式を使う理由 3-18.5【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><a href="https://www.youtube.com/hashtag/%E3%81%82%E3%81%8D%E3%81%A8%E3%82%93%E3%81%A8%E3%82%93">#あきとんとん</a><a href="https://www.youtube.com/hashtag/%E5%8B%89%E5%BC%B7">#勉強</a><a href="https://www.youtube.com/hashtag/%E6%95%99%E8%82%B2%E7%B3%BByoutuber">#教育系YouTuber</a>漸化式で特性方程式を使っていい理由 本はこれ<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! 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<p><a href="https://www.youtube.com/@akitonton"></a></p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/1k-armoulqc/">【高校数学】漸化式で特性方程式を使う理由 3-18.5【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<title>【高校数学】特性方程式の漸化式～分かりやすく丁寧に～3-18【数学Ｂ】</title>
		<link>https://kaiketsu-db.net/all_unit_post/mmsg3raekas/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=mmsg3raekas</link>
		
		<dc:creator><![CDATA[一味9003]]></dc:creator>
		<pubDate>Wed, 10 Sep 2025 08:00:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=88817</guid>

					<description><![CDATA[<p>#あきとんとん#勉強#教育系YouTuber特性方程式を使った漸化式の解き方です どこよりも分かりやすく丁寧に 本はこれ✅ 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! Amazon：https://amz [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/mmsg3raekas/">【高校数学】特性方程式の漸化式～分かりやすく丁寧に～3-18【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><a href="https://www.youtube.com/hashtag/%E3%81%82%E3%81%8D%E3%81%A8%E3%82%93%E3%81%A8%E3%82%93">#あきとんとん</a><a href="https://www.youtube.com/hashtag/%E5%8B%89%E5%BC%B7">#勉強</a><a href="https://www.youtube.com/hashtag/%E6%95%99%E8%82%B2%E7%B3%BByoutuber">#教育系YouTuber</a>特性方程式を使った漸化式の解き方です どこよりも分かりやすく丁寧に 本はこれ<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! 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<p><a href="https://www.youtube.com/@akitonton"></a></p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/mmsg3raekas/">【高校数学】特性方程式の漸化式～分かりやすく丁寧に～3-18【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<title>【高校数学】漸化式の問題演習～基本問題～ 3-17.5【数学Ｂ】</title>
		<link>https://kaiketsu-db.net/all_unit_post/t0_lkdsmw1k/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=t0_lkdsmw1k</link>
		
		<dc:creator><![CDATA[一味9003]]></dc:creator>
		<pubDate>Wed, 03 Sep 2025 08:00:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=88797</guid>

					<description><![CDATA[<p>#あきとんとん#勉強#教育系YouTuber数学Bの漸化式の問題演習 等差数列、等比数列、階差数列の漸化式の例題 本はこれ✅ 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! Amazon：https://am [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/t0_lkdsmw1k/">【高校数学】漸化式の問題演習～基本問題～ 3-17.5【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><a href="https://www.youtube.com/hashtag/%E3%81%82%E3%81%8D%E3%81%A8%E3%82%93%E3%81%A8%E3%82%93">#あきとんとん</a><a href="https://www.youtube.com/hashtag/%E5%8B%89%E5%BC%B7">#勉強</a><a href="https://www.youtube.com/hashtag/%E6%95%99%E8%82%B2%E7%B3%BByoutuber">#教育系YouTuber</a>数学Bの漸化式の問題演習 等差数列、等比数列、階差数列の漸化式の例題 本はこれ<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! 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<p><a href="https://www.youtube.com/@akitonton"></a></p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/t0_lkdsmw1k/">【高校数学】漸化式の問題演習～基本問題～ 3-17.5【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<item>
		<title>【高校数学】等差数列の漸化式～覚えず理解しよう～ 3-15【数学Ｂ】</title>
		<link>https://kaiketsu-db.net/all_unit_post/h08qx7s0-jo/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=h08qx7s0-jo</link>
		
		<dc:creator><![CDATA[work]]></dc:creator>
		<pubDate>Sat, 09 Aug 2025 12:23:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=87201</guid>

					<description><![CDATA[<p>4,204 回視聴 2025/08/09 #勉強#あきとんとん#教育系YouTuber漸化式の授業動画 等差数列の漸化式の解説 本はこれ✅ 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! Amazon：htt [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/h08qx7s0-jo/">【高校数学】等差数列の漸化式～覚えず理解しよう～ 3-15【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p>4,204 回視聴 2025/08/09 <a href="https://www.youtube.com/hashtag/%E5%8B%89%E5%BC%B7">#勉強</a><a href="https://www.youtube.com/hashtag/%E3%81%82%E3%81%8D%E3%81%A8%E3%82%93%E3%81%A8%E3%82%93">#あきとんとん</a><a href="https://www.youtube.com/hashtag/%E6%95%99%E8%82%B2%E7%B3%BByoutuber">#教育系YouTuber</a>漸化式の授業動画 等差数列の漸化式の解説 本はこれ<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 〇山田さんちの算数パーフェクト 数学的センスを身につけろ! 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href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbGNFVzNpalZ4V0VRT0lJVHE1ZDhrV0FsR0ZTd3xBQ3Jtc0tuU3E3SDFyVXRfcWNXc2lNVjR6OUlwcmVqMUZaNjY4MVBKOGh6dE1KQVpxRVlLbVh5N1p1Q2ltQnFBMlgxVlI0Uy1vc0FKalN6U1JNUGEtRHBNa1FEV21zb0V0Z3F5T0pvZjJtVTBhZjl0ZEJ5NFUxWQ&amp;q=https%3A%2F%2Fakitonton.com%2F&amp;v=h08qX7S0-Jo" rel="noreferrer noopener" target="_blank">https://akitonton.com</a> ～～～～～～～～～～～～～～～～～～～～～～～</p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/h08qx7s0-jo/">【高校数学】等差数列の漸化式～覚えず理解しよう～ 3-15【数学Ｂ】</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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		<item>
		<title>福田のおもしろ数学571〜漸化式で定まった数列の項に関する等式の証明</title>
		<link>https://kaiketsu-db.net/all_unit_post/07vpdlejvrw/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=07vpdlejvrw</link>
		
		<dc:creator><![CDATA[一味9003]]></dc:creator>
		<pubDate>Sat, 26 Jul 2025 05:00:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=84923</guid>

					<description><![CDATA[<p>福田のおもしろ数学の第571回です。 今回は漸化式で定まった数列の項に関する等式の証明の問題。 【チャンネル登録はこちらから】 &#160;&#160;&#160;/&#160;@tamoshop&#160;&#160; [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/07vpdlejvrw/">福田のおもしろ数学571〜漸化式で定まった数列の項に関する等式の証明</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p>福田のおもしろ数学の第571回です。 今回は漸化式で定まった数列の項に関する等式の証明の問題。 【チャンネル登録はこちらから】 <a href="https://www.youtube.com/channel/UCZtJwETNkOGeCJw7_cdJ7Yw">&nbsp;&nbsp;&nbsp;/&nbsp;@tamoshop&nbsp;&nbsp;</a> 【福田の数学WebPageはこちらから】 <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqazA4dmxoUlNiRUlmaGgzNDcyNlF0cEItMlNvQXxBQ3Jtc0trUzZtTURBVWJnRXdVcS1LWGR0UXk4NXJrV2EtbHBHcFI1NTZVbWp3TUtmOUxWRExFcHNGblJfeVRyS0VaX2hTLVBLUndnbU12Z1pweHdBU2syOTVFbk9neWJrczdWQVl4OXlJcVpONkpRNGJBNE0zWQ&amp;q=http%3A%2F%2Fwww.tamoshop.com%2F&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">http://www.tamoshop.com</a> 公開中の動画の索引や、問題に対するコメント、福田のアプリ紹介、管理人の部屋では俳句と故郷焼津のエッセイも！ 【ツイッターはこちらから】 <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbUpiRHRvd245NGlQSDN1dXNGREJES2g1Y3RpZ3xBQ3Jtc0trd1NjdC1NQ1BBVFJucHFHNEFralRkQWJPYktadWtUVEtadzByV1JOek13VldBNmEzMlFGVEFzMEp0YThNQkpOMk5YUnJvdDZ6bWZqcTAxQmVHWjF2bXJhQldITjlabkxLb0lWT1RkMGRKS0NsM3hFcw&amp;q=https%3A%2F%2Ftwitter.com%2FfukudaTamoshop&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">&nbsp;&nbsp;/&nbsp;fukudatamoshop&nbsp;&nbsp;</a> 【福田の入試問題解説アプリ】 東京、京都、北海道、東北、筑波、千葉、一橋、東京工業、東京医科歯科、浜松医科、名古屋、大阪、神戸、九州 全１４大学の入試問題、解答（静止画）、解説（動画）を過去7年収録。 入手方法（無料･アプリ内課金あり・・・最新年度のデータはすべて無料です) 入手は以下のサイトから iPhone, iPad用(Apple AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa3BWam5vcnRpRVBQMEZNWktFazdXQVFRcThBQXxBQ3Jtc0tubVhuMnFkVzhPczlJTHVLMG1KQWhEZEJuUHd3NHdsdzBRaHAtcmlJMEE2eXhXbk1NdkVJSzBmbThGMnBXcXBzckpndkpSZnI5NHJ6VEFlbElkcVE5MUJWWHdzanJPVXQ2bk1tT0lZYXJzSTg1a0VNUQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2F%25E7%25A6%258F%25E7%2594%25B0%25E3%2581%25AE%25E5%25A4%25A7%25E5%25AD%25A6%25E5%2585%25A5%25E8%25A9%25A6%25E5%2595%258F%25E9%25A1%258C%25E8%25A7%25A3%25E8%25AA%25AC-%25E6%2595%25B0%25E5%25AD%25A6%2Fid1448982608%3Fl%3Dja%26ls%3D1&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/%E7%A6%8F%...</a> Android(Google PlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbDFVcFViRWI2Q1RiRzd2YmZ4S1g1aXdBSk5LUXxBQ3Jtc0tua2lmcGsta1NRdXdHMzlOWEY1VVJBYjI4YXd5U3hpTUhQck9SOWV3dTc0Tm1USU9Cakx2Y0dPVUpZYThsMDFDTklFS3JJWnhOOUlNNllISUN5cmxBbEFnV2lJa3NYMFRpR09Ma1hFY3plcnQ2UVgyMA&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.nyushikaisetsuandroid&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> 【首都圏有名私立大学入試数学解説アプリ】 早稲田、慶應義塾、青山学院、上智、明治、立教、中央、東京慈恵会医科 全８大学の入試問題、解答（静止画）、解説（動画）を過去3年収録。 入手方法（無料･アプリ内課金あり・・・最新年度のデータはすべて無料です) 入手は以下のサイトから iPhone(Apple AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa1ZvMnlKVVRfRDJEMDg4R2hqeHpEaEFMODlnUXxBQ3Jtc0ttTm04b1RncFFSUXVFT1VjM05BemR5WFVBTlBVQkZ2NGVlTnFuMU1RY1VFVGFocVg3UWxzYl9JVDZjRng5UjFFdlRZVHp4ZGczQjZNNGpuQkJFUDU3RmdTVXk0TGF4VnJ4MlJFamYyY1pQQmc5QkhDaw&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2F%25E7%25A6%258F%25E7%2594%25B0%25E3%2581%25AE%25E9%25A6%2596%25E9%2583%25BD%25E5%259C%258F%25E6%259C%2589%25E5%2590%258D%25E7%25A7%2581%25E5%25A4%25A7%25E5%2585%25A5%25E8%25A9%25A6%25E6%2595%25B0%25E5%25AD%25A6%25E8%25A7%25A3%25E8%25AA%25AC%2Fid1496898059%3Fl%3Dja%26ls%3D1&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/%E7%A6%8F%...</a> Android(Google PlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbFZnRkxTOXlVaVNwTThPcEJxOS1aeUQ4RUNXUXxBQ3Jtc0trWExJMEpqVkVOSVRyRWRwZzlZbnNBa2lXY1VwSjhxNW02MmpCcFBKdWRhbDVGM3U4d0FfLVZydFpNeWYtOGZ6VWN2cGo1ME10dGxVNUptMXBhWTFfTWpyTW5uQ25iZXl3b29XZnVibmwtck43NFBtVQ&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.nyushisidai&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> その他の福田のアプリ 【gDraw】グラフ描画 gDraw for iPhone (250円) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbTFSd3hjdlktX3BCT0VOa3RGZURhQ2VFN0YzZ3xBQ3Jtc0ttZFRFZ0wyeFV4LUVXdXdWbXVybTBWRTQzTUtGLVJpLVJiMDd5QVN4WkpuQnliT1Nyd3pkQWJFbnU4THpvOTJpS0pvMHNuRjk2aGlaNUFJMHgzc2RRZHYtQ3dBa0R1V1BCM0JiYmtaMGI1RVIxMEV4OA&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fid689603480&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/id689603480</a> gDrawLite（機能制限版）無料 <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbURZZk0wV3k3NjhvNU5QLTBMQnJUeDNyX3ZIZ3xBQ3Jtc0ttRjcwRVA3MTEydGsyQk96dGpnUTl5UnctcGlpWFkzUU41amcwdC1DbVJrQ1M0UnFKXzMybjBGRmtod3pwVkRObTNpWGF5cV9OU1FHb0RuelV2X3hGZUFJc3BHMHhmeW1VSXdGc3pTNm5MS3lFWHRLMA&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fgdrawlite%2Fid792288727&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/gdrawlite/...</a> gDrawPro（iPad用) 無料(アプリ内課金あり) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbHN1U0d4ZDI0UkxBd2hwX05rVFgwV3g0Y0RHQXxBQ3Jtc0ttdUt1TklmYzdzUVdWSHdaTTRtY3dJUHgycG9CZmpQaDJkYlhUbG4zcDFzZndkc3BwdG1oYWkyR0FCOXBfU0N4VUVZSnR2ZWlSMXNidC1ydkpnU1NSU1RzRmZ5aXZrQnRQN0JYRGlVUlIzQk9Cb2ZZUQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fid907360838&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/id907360838</a> 【分数電卓】分数計算、帯分数を含んだ計算、分数で答を出す(無料) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa0RIaEE1Z2lCbnR5S2FyLWsxci1kTUppWUktQXxBQ3Jtc0ttbHY5alFyYlQxb2lIc01iWjdvWGtKSXZIdWhGSi14TGxJRkUwSmpLeEFRRHJGT3JsWmwzRk4zLW5DcVk4ZHE4ZF9rMHEwVUxjZUM2WmVaTmtnYWFiY1pxMXdKOXhFaGRhRGlUZVBidV85YmRjRzhSbw&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fid998791093&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/id998791093</a> Android(GooglePlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa1RCZnAzeUFEazdhd0tfTklYY3kxZ1BFdUFUd3xBQ3Jtc0trUTlEdm81M01fNnVvZ21FTmJGSHNVNS1uaFJBalVpaU9pOXJlSDBhRDBVLW1OWGJEQTNzX09zXzliS1pIN3g1M2oxbEMyVl9SQTZsaUtFV29lUnAyS19QNDlnVjhoOWY2cWExT1VrWXB6dTRqSmFfaw&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.jah02733.fraccal&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> 【実数電卓】ルート計算、有理化も自由自在、答もルートのままで(無料) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbXNJUm5fMjg5V1lrQXpLOXh1bmh3eVdlUWZnUXxBQ3Jtc0tub241eU9CZ0kwTlpjTHdPN1h6NlJTQm16Q0NOTTloM1V2WUhpeFZjUE9xUDlRVzVwOTF2ZzBmaWp0aDlKSlFDemV2cjh6d3hScm12SHJLNlVYak05WXZ3d1QycGNYSDFpSjk0ZFRaendsMFZ3cWtRWQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fsquarerootcalculator%2Fid1260411892&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/squareroot...</a> 【関数計算電卓】有理関数の値計算、分数・ルールのままで結果が出せる(無料) iPone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbjQtX0lfU2wyMUF4RHNrUXR2R05kLVpmbmI3UXxBQ3Jtc0trWHk5V2dkNm80V2Qtc2wwTE8tR01ZajBsSGdqQmFLWlB2Z0ZNNGhkcFpCNmFKOG1yQXVVMXVBR2JVNGdKQWdQelhUSDNwUjZ2dkZqNVpOd3Jfc1lvclRFdzVnazVlSS1wdGh5WnVISDhNM19ZakUxRQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Ffunctioncalculator%2Fid1275985289&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/functionca...</a> 【トリプル電卓】３連電卓。３つの電卓を切り替えながら爆速計算(無料) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqblU5blF4dkFhdG9qX3VrcjZEd201NGdJdXJFUXxBQ3Jtc0tsQ01ObDRHSkhIcjZkVjA4NzlKYTZyLXF5RVFpNHJlUlVwN3MyOFRPMThvelZ6SS02dU1QUlRzcXA4eHhDTDVydy1DT25ZdVZTTER4V2RXWGl3LWt3QU9iaDZCV1IzRlBvNWg1dDZrc1BvdllISTFFNA&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Ftriplecalculator%2Fid1141789970&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/triplecalc...</a> Android(GooglePlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbThPb3B3THluMkVGX2ZLLU1PdmtVdHNHUWxHd3xBQ3Jtc0tuaVJJQndYbWdJNnFEbkQ5Z0UtemRRcllGTXhraVlnRjNvejRDZ3c1blJhTmRkZWNhTzhWTE5pY3pqM1JEbEY5dzlJbFB6NnJrZUlsWFlkZFJHdjhaeUpuSmpFcWlsVXZUeDA5VThzR2hBNjNhcWxxYw&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.jah02733.triplecal&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> 【聞いて喋って覚える九九】 音声認識で練習する九九アプリ。声を出して九九をマスター！(無料・アプリ内課金あり) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbWwybDhkdWx2aXpTZUlTMTIwZDhSZW1HWHJwZ3xBQ3Jtc0tua3lrS3JoUjQtRjJjTTlFX0lHNkh4MklDdkVRWnctRDJadmxGaVFfMTV3dDUxS1Y5S3ZzbG1xNENUbml4OXZPQlZyY2QtRnMtMUU1dVlWM3NiNWNiOTdCMjIwa1JPVlVFRW1FNU5GcFUtdkQ2MVdQaw&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2F%25E8%2581%259E%25E3%2581%2584%25E3%2581%25A6%25E5%2596%258B%25E3%2581%25A3%25E3%2581%25A6%25E8%25A6%259A%25E3%2581%2588%25E3%2582%258B%25E4%25B9%259D%25E4%25B9%259D%2Fid1420858670&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/%E8%81%9E%...</a> Android(GooglePlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbjNRTjN3ZGVUXzBBMDJqM0xTcGI4aUY5Skwyd3xBQ3Jtc0tud0lrSUxSc0lCN2tJR0lwVW1kOEk4TmhEOTBrMFFkTmV6RnhxN1F2Z0ZrTXk4YU03bm1DVUt1dnlXZHU1bTBiNmxNNXBhMjhZVzJHdDRCd0wxcGdwLUp4bC1qZ1I2X2lVdlpJNWZlcF9xTmhRSDQxMA&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.voice99android&amp;v=07vpdlEjVrw" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a></p>



<p><a href="https://www.youtube.com/@tamoshop"></a></p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/07vpdlejvrw/">福田のおもしろ数学571〜漸化式で定まった数列の項に関する等式の証明</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>福田の数学〜早稲田大学2025商学部第1問(2)〜3項間漸化式の解法</title>
		<link>https://kaiketsu-db.net/all_unit_post/7wchgxnzbog/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=7wchgxnzbog</link>
		
		<dc:creator><![CDATA[一味9003]]></dc:creator>
		<pubDate>Fri, 25 Jul 2025 03:00:00 +0000</pubDate>
				<guid isPermaLink="false">https://kaiketsu-db.net/?post_type=all_unit_post&#038;p=84917</guid>

					<description><![CDATA[<p>福田の数学です。 今回は早稲田大学2025商学部第1問(2)。3項間漸化式の解法の問題。 【チャンネル登録はこちらから】 &#160;&#160;&#160;/&#160;@tamoshop&#160;&#160; 【福 [&#8230;]</p>
<p>The post <a href="https://kaiketsu-db.net/all_unit_post/7wchgxnzbog/">福田の数学〜早稲田大学2025商学部第1問(2)〜3項間漸化式の解法</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></description>
										<content:encoded><![CDATA[<p>福田の数学です。 今回は早稲田大学2025商学部第1問(2)。3項間漸化式の解法の問題。 【チャンネル登録はこちらから】 <a href="https://www.youtube.com/channel/UCZtJwETNkOGeCJw7_cdJ7Yw">&nbsp;&nbsp;&nbsp;/&nbsp;@tamoshop&nbsp;&nbsp;</a> 【福田の数学WebPageはこちらから】 <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqazZnNXpsQm1INVlzODdGaWl5bXhIMk4zZ3VMZ3xBQ3Jtc0tsVFZETHg4dFZUS0RoVkJNYnVVZmNqeE9jZnZFak9vanJrdDBpWTlKc2VmMlJvMEtBZjF1blJBMzlNa29iaDVZY3lralFWc29VU2Q0ZFZPWXdXWmJ4azZrV05kQ2V4LWRqLUxHVjAxWEhBSmIyZkhVZw&amp;q=http%3A%2F%2Fwww.tamoshop.com%2F&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">http://www.tamoshop.com</a> 公開中の動画の索引や、問題に対するコメント、福田のアプリ紹介、管理人の部屋では俳句と故郷焼津のエッセイも！ 【ツイッターはこちらから】 <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqblZnbzRpWTUyNE4zQ2JJb21WR21kUTFFWnZ2d3xBQ3Jtc0tuY0Qza2Y0dzJXbC1Vdm5xcnJ2THQ0ZjlHdVNIdEdPYllKNUpmOXlaa2Q3Nnh3YWNEQ0NKdThHSU9OYUpnYTJQX2ltOFZBQ0I0YjlDZkNFOVA4S3k0LXNOVVNfLUZHbE02eXRmdXRQNmhYNW5YZVlySQ&amp;q=https%3A%2F%2Ftwitter.com%2FfukudaTamoshop&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">&nbsp;&nbsp;/&nbsp;fukudatamoshop&nbsp;&nbsp;</a> 【福田の入試問題解説アプリ】 東京、京都、北海道、東北、筑波、千葉、一橋、東京工業、東京医科歯科、浜松医科、名古屋、大阪、神戸、九州 全１４大学の入試問題、解答（静止画）、解説（動画）を過去7年収録。 入手方法（無料･アプリ内課金あり・・・最新年度のデータはすべて無料です) 入手は以下のサイトから iPhone, iPad用(Apple AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa19DSHlQQWhQNHY3eThYU1pvT3lyajRMbTA3Z3xBQ3Jtc0ttc2lZMVdqd29hNFMzeWFtUGNKODVNcVRXSlFHVUwtSDVBVm9mNVZpY2hOTk1ESWNnOFpabHd1ZDR0UHcxcURSVlNnc21yNmdsVmluR1NFTkU5TE45bC1acXpfWVBlcDYzV3ZnYVN2dUlSNUpGWXNqaw&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2F%25E7%25A6%258F%25E7%2594%25B0%25E3%2581%25AE%25E5%25A4%25A7%25E5%25AD%25A6%25E5%2585%25A5%25E8%25A9%25A6%25E5%2595%258F%25E9%25A1%258C%25E8%25A7%25A3%25E8%25AA%25AC-%25E6%2595%25B0%25E5%25AD%25A6%2Fid1448982608%3Fl%3Dja%26ls%3D1&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/%E7%A6%8F%...</a> Android(Google PlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqblZGS2lVMXN4T2ZGRUt5d0NJMmRLYVZkcVpRZ3xBQ3Jtc0ttTHZNd1VCTDBKeXBaSEk5TmpULTJXN2JoSUdQbDhrTWlYV25JVVhfVHdGcE5URHpsUTVWLUJCZVlzR1prOHFXT0w1dUlILWg0bTU4Zy1mRlp6UHJwVU8xS3pKdXFtOF9OeFVNS0FpUkVOZlhnRTU0cw&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.nyushikaisetsuandroid&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> 【首都圏有名私立大学入試数学解説アプリ】 早稲田、慶應義塾、青山学院、上智、明治、立教、中央、東京慈恵会医科 全８大学の入試問題、解答（静止画）、解説（動画）を過去3年収録。 入手方法（無料･アプリ内課金あり・・・最新年度のデータはすべて無料です) 入手は以下のサイトから iPhone(Apple AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbFA4R2tIeEtBdXdaUUg0aldzbEpMNk9XbjBLQXxBQ3Jtc0tsbTdiRDYxaVZwbHcwY2dQX3M1M3NtTVFsWlRvSk9oT0lqZHFzYy02T1pWSXlnME5STXdtcmh0V1pRTms4amwzXzJpWVhldURKZ2YtTFRBZ2liMmRRUjNjUVBTSFYxNElHSjhfX2g5djVWeFBzYndPQQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2F%25E7%25A6%258F%25E7%2594%25B0%25E3%2581%25AE%25E9%25A6%2596%25E9%2583%25BD%25E5%259C%258F%25E6%259C%2589%25E5%2590%258D%25E7%25A7%2581%25E5%25A4%25A7%25E5%2585%25A5%25E8%25A9%25A6%25E6%2595%25B0%25E5%25AD%25A6%25E8%25A7%25A3%25E8%25AA%25AC%2Fid1496898059%3Fl%3Dja%26ls%3D1&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/%E7%A6%8F%...</a> Android(Google PlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa0tHYmVqWHhNVW93VkVOZzU3NDZzR0F3QlRVUXxBQ3Jtc0tuampDSEkzYWF4R1F6NjhySHlSOXZmN010eHZRUlJYS3ZaZzBzMjZkUjJBY2I0OEF2VVF4d2hsN2djTkFERUZMX1AxT0NpdEJTd3NlUXBZZTJERnlzOUpXMDFBY3piZFVyU2lNMWViZ3c1cndSYmJoTQ&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.nyushisidai&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> その他の福田のアプリ 【gDraw】グラフ描画 gDraw for iPhone (250円) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa0p0WWUxaE1haTNLUFd5NnA2Q05iVzM4bG9WQXxBQ3Jtc0tsbV9rbFhkd19yNUVNQlBVS3ZZT3M5eWczb2hBVFJ4Vi1xSEY0Wm5wS1VpZFBlOEMyY2YyejVVdkFISWRKakV4a2tURTNQSExyUWFTWnB1MjlXR1B1aXc4VEN5Nzd5OHhkQmZfR2xrdnF5MHRiTWthRQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fid689603480&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/id689603480</a> gDrawLite（機能制限版）無料 <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbkwzY2ZkdTctbTVZMS1xbkt3TmxscUZoQ0NoQXxBQ3Jtc0ttb2xkYVRFNXcyMGxpY3BmZWlCRllLVDNMWlRtMDhfMlZld1V0X0tySTlaR1hWYnZHQXQ1LXYzR05fSEpWMjFXWHQ0aTcweFVkd21kOXBUNlpKSHBucERfOUFEcF9iLXFXcVZPc2c3cFVOckxzRHY5aw&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fgdrawlite%2Fid792288727&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/gdrawlite/...</a> gDrawPro（iPad用) 無料(アプリ内課金あり) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa1ctUVNHalE3aXBGUkVPbjZlSkxValpUSDJDQXxBQ3Jtc0ttWVNoZnhUTlBwdUZjYi1NZUxyQXpwN3RVSkdaVVp4bGhjMjdnend1SVVOTFBoenYyYTFJdjBYMWw1WS1WZ3d1c0tWV2xQTWJNOWpYZFJqVFFUZW10dXdFU1kwNWR4dkc0TXlXSml1a3g4S1ZzUkw1TQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fid907360838&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/id907360838</a> 【分数電卓】分数計算、帯分数を含んだ計算、分数で答を出す(無料) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbDNEa09LQ1pITE5RUms5Z0tZNWEwcDBaZUF2Z3xBQ3Jtc0traEFnQ1JoYkVBQmR2WWw3Z2ZxclFnSm9pUWEweDFQdkhwLTd4bjctZldudkFuNW9EOWZ4Wnp2VXo3QzZxYUFGYjVtMUotSWtJSVVmdVpCS19YbVhLYjJsX3R5b2F6cmpRdWlRZHNGTVFROXRlcnQwRQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fid998791093&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/id998791093</a> Android(GooglePlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbVZpdTFEbWF6QTZlYS0xOWlmdGxQYmxxVGFMQXxBQ3Jtc0ttVW96SnZfbERSbFJkUlo1QUpBeU0xZVZTQjhzN0hLaGVEYTdOelJHSThVUlh2NW5HRlpYdmVIX1dkN1cyT3I4WW5PcVJ4S0UzUmpPWVVSaUZITWQ4RFpHZXhGQ2t1YjZtTHdZY3k1SUFkX20tbE1UQQ&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.jah02733.fraccal&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> 【実数電卓】ルート計算、有理化も自由自在、答もルートのままで(無料) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa0MydTM0M0Q2eVAySVcyaEIwOVp6TENMZU4zZ3xBQ3Jtc0tuVFVVLV82M0RhS24zVmNON0NuajBacXI4SGtscjdjTko4emx2S0JQRkhHYV9BXzBoYlFCbVhCOHVDM0hjdVRPQlpQV3dUSlFvS1B1M0lJek5zOUFTQ1VranM0dGxLSmoxZUdzem5uWi00MC1GYnNyaw&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Fsquarerootcalculator%2Fid1260411892&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/squareroot...</a> 【関数計算電卓】有理関数の値計算、分数・ルールのままで結果が出せる(無料) iPone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbFg5aU9FZ2VaX2JyN2NBMWZuNi00UXhLSTl6UXxBQ3Jtc0ttTldubDd6YWdHT2JqRHBGUF80d3pjNEFZUGFOUVN3c01GTVFxSmE0aUhxSjJQRFgxMUdIOFBINFFtck5Qak5jSU9Kb0FHT0FyRUU4cW5EaDRQNldkWFExdVRyMW0zS2ZEd1Ezbld1bzA0T1RhQVFuUQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Ffunctioncalculator%2Fid1275985289&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/functionca...</a> 【トリプル電卓】３連電卓。３つの電卓を切り替えながら爆速計算(無料) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqa0dEWHIxXzVHM2JDckpvZTNlMFJlVEc2aU5vQXxBQ3Jtc0ttS0tiaXpBRGttXzk5M0poUk1sNlFxSzA2NzVtZTVQR3didXBjT20zMllOLVFhNnlLc3JlLTE3VmMzcGx4R3c5MXhOb2RKNXZ4cGhlUE5VV01uZ2NIMWJ2RHFrRlphcDlYNnNZbmVhQnhoUWRtUDQyVQ&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2Ftriplecalculator%2Fid1141789970&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/triplecalc...</a> Android(GooglePlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbjlfcGpLZEc1Y2RxWTgxVU96Z1BPMGdQa0V2d3xBQ3Jtc0ttMk9adXh1cEZaWnBUWHZQSTF6UUpaaDVETFJ3ODhicVExSVB6NENOd0R3UzlsQ3FvaVBGMkFhRXlXLWp0eHZKMUpZYnZqRmVpOW9BTEhSUUZGWWpaVFJVUFRFMkpTZ19LUW05am90a254TkdBanp3MA&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.jah02733.triplecal&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a> 【聞いて喋って覚える九九】 音声認識で練習する九九アプリ。声を出して九九をマスター！(無料・アプリ内課金あり) iPhone, iPad(AppStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbHI0VnZwaTVyUDNzWGZ4TWxYS1QxVlQ0VXhHUXxBQ3Jtc0tsdnFJa2hZem0yVjJBR0VPYW1rMUhhNmRZNjRrN08xYlBLV0hUUXB3cl9NQndJLU9FWTJOOVV0Z1NmQ3V4UHBld0dndHNnbTd3QkRVZ3ZKYk5QcmJjOXd3T1oxbW9qbldDQms1ZU12bHVOZ1JTM283Zw&amp;q=https%3A%2F%2Fapps.apple.com%2Fapp%2F%25E8%2581%259E%25E3%2581%2584%25E3%2581%25A6%25E5%2596%258B%25E3%2581%25A3%25E3%2581%25A6%25E8%25A6%259A%25E3%2581%2588%25E3%2582%258B%25E4%25B9%259D%25E4%25B9%259D%2Fid1420858670&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://apps.apple.com/app/%E8%81%9E%...</a> Android(GooglePlayStore) <a href="https://www.youtube.com/redirect?event=video_description&amp;redir_token=QUFFLUhqbjBKbndvUFgwaVUtS3RPbGM2NEhWUVBhSllJZ3xBQ3Jtc0tuTmVMY2ctX01nTXZyRUxKUHI4NzVtZFhSckltTHBVeGpOb2pGOEtYVk13ZTA0R1NUbmphZjczai1pcjRKMl9ndVpVMTVBRWVuN0dCRnd2cVdUYmU5UzQtb3A4aGVncS1aUGJFMjdoRTQyclhrUVBvaw&amp;q=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.tamoshop.voice99android&amp;v=7WChGxnZbog" rel="noreferrer noopener" target="_blank">https://play.google.com/store/apps/de...</a></p>



<p><a href="https://www.youtube.com/@tamoshop"></a></p><p>The post <a href="https://kaiketsu-db.net/all_unit_post/7wchgxnzbog/">福田の数学〜早稲田大学2025商学部第1問(2)〜3項間漸化式の解法</a> first appeared on <a href="https://kaiketsu-db.net">質問解決D.B.（データベース）</a>.</p>]]></content:encoded>
					
		
		
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