Mathematics
Junior High

途中式と答えを教えてください!!
お願いします。

Answers

(a+b)^2=a^2+2ab+b^2なので、その式にあてはめてもらえば解けますよ!

clover

ありがうございます!!
(❁ᴗ͈ˬᴗ͈)ペコリ。:.゚ஐ⋆*

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