問題文全文(内容文)：
(1)$5a^2b^2-25a^3b$
(2)$x^2+x(y+z)$
(3)$a(a-3b)-7b(3b-a)$
(4)$x^2+16x+64$
(5)$27a^2+18a+3$
(6)$4-4x+x^2$
(7)$\dfrac{1}{4}x^2-x+1$
(8)$4a^2-b^2$
(9)$9a^2-9b^2$
(10)$5a^3-20ab^2$

問題文全文(内容文)：
1.次の問い(1)~(9)に答えよ。

(1)$-2^2-8 \div (-5)$を計算せよ。

平成30年度　京都府公立高等学校前期選抜　第１問(1)　過去問題

問題文全文(内容文)：
\( (x^2+2x-5)^2-4(x^2+2x-5)-60\)
を因数分解しなさい

問題文全文(内容文)：
$ S $を因数分解しなさい.
$ S=n^4-5n^3-10n^2+35n+49 $

中央大附属高校過去問

問題文全文(内容文)：
Let's enjoy oriental mathematics for just a little while.
You will discover a cute world from mathematics.
Everyone in the world should love and be good at mathematics.

We are introducing the entrance exam questions for Japanese high schools.
It's an important issue for you to understand the basics of mathematics.
Would you like to solve this math problem and check out our commentary?