Mathematics
Junior High
Resolved

教えて欲しいです!

(4) (a+b-c)2 =(M-C)² = 2 M²- ZMCTC ² 2 =(a+b)² 2(a+b)c+c² =a+2ab+b²-za-2b

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✨ Best Answer ✨

こんな感じでしょうか❓

翠羅

並び買えなくてもオッケーですか!?

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