問題文全文(内容文)：
$ \boxed{1}$
(1)$\dfrac{15}{2}\times \left(-\dfrac{4}{5}\right)$
(2)$ 10a-(6a+8)$
(3)$ 27ab^2\div 9ab $
(4)二次方程式$ x^2-3x+1=0$を解け.

$ \boxed{2}$
(1)底面が1辺6cmの正方形,体積$ 96cm^3$の四角錐の高さは?
(2)$ 4 \lt \sqrt a \lt \dfrac{13}{3}$に当てはまるaの値をすべて求めよ.
(3)$ \ell \parallel m $のとき,$ \angle x $は?

$ \boxed{3}$
n番目の白タイルの枚数をnの式で表せ.

問題文全文(内容文)：
$26 \times 78 \times (-5)^2$

広島大学附属高等学校

問題文全文(内容文)：
$30ab+4bc-9a^2-23b^2+2c^2$の値を求めなさい.

名古屋国際高校過去問

問題文全文(内容文)：
【レベル３】
計算せよ。
①$\displaystyle \frac{x-3y}{2}-\displaystyle \frac{5x+2y}{3}$
通分したら②＿＿＿＿を使おう!!
③$x+3y-\displaystyle \frac{2x+7y}{3}$
④$\displaystyle \frac{1}{8}(7)(-2y)+\displaystyle \frac{1}{2}(x+2y)$
⑤$\displaystyle \frac{3}{2}(x-3y)-\displaystyle \frac{1}{3}(7x-2y)$

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?