Mathematics
Junior High
Resolved

中学の数学で答え方は赤の①と②どちらで答えた方がいいでしょうか❓教えて欲しいです。

CO (a+b) (a+sb) 2 3 = = (a+b) = (a +5b) === (a² + bab +56²) 2 ==// a² + ab + 1/² b ² 6 a²+bab+5b² 6 or

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