Mathematics
Senior High
画像1枚目のxの三乗-yの三乗 の式は2枚目の書き方で間違えがないか教えて頂きたいです💦
x³ + y³ =
3
3
(x+y)³-3xy (x+y)
3
x ³- y² =
(x-y)² + 3xy (x+y)
3つ
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