✨ Best Answer ✨
{a - (b - c)}² {a + (b - c)}²
=[ {a - (b - c)} {a + (b - c)}]²
この2乗の中は、
(x+y)(x-y)=x² - y²
の公式が使えます。
✨ Best Answer ✨
{a - (b - c)}² {a + (b - c)}²
=[ {a - (b - c)} {a + (b - c)}]²
この2乗の中は、
(x+y)(x-y)=x² - y²
の公式が使えます。
Users viewing this question
are also looking at these questions 😉
ありがとうございます🙇♀️