Mathematics
Junior High
Resolved
画像の中の4abがとこから出てきたのかがわからないので教えてくださいm(_ _)m
2×(-3)3D-6
(3) α+6ab+ぴ=d+2ab+b+4ab=(a+b)°+4ab
=(-3)+4×2=9+8=17
020
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ありがとうございます！