Mathematics
Senior High
この問題教えてもらいたいです💦
Bclear
55 (1), (2) の式を展開せよ。 また, (3), (4) の式を
((4x+5y-(4x-5y),
= (4ス}+3(4x):5g +3:4x(52
64x3+240ズま+ 300×学+
48
ニ
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