Mathematics
Junior High
Resolved
至急教えてください！！
次の式を展開せよ。
5 (Cr
て式を
ァ十ッを77 でおきかえると
(著-り"=(直1)
三昧一2及二上1 7をx+yに
ニ(扇仙)”-2(編二)+1 < 5どす
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ありがとございます🤩🤩