Mathematics
Senior High
この３問
途中式と答えお願いします！
予習です。出来れば紙に書いて貰えるとありがたいです。。。
ERO
ー2*“十(3⑬ゥー5)z二(ッー1)(⑦ー9の 1 ッー2 一 2
>く
(alのDa(6O=SIM = LE
2 ゆーりー-②⑳ 3y-$
(をオッー2) (2ァキッー1)
練習 次の式を因数分解せよ。 ①
25 (2②y+1z寺(ゅ+2)@=り)
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