Mathematics
Senior High
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計算に詰まってしまいました💧教えてください<(_ _)>
(リ(a+ b+c+1)(at1)+bc
-atabtac ta tatb +C +1 +be
-a' t (b+c+2)+(b+ct1 +bc)
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ありがとうございます!!🥲😭
ちなみにその後こうなったのですがどうすればいいんですか?