Mathematics
Junior High
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解き方を教えて欲しいです!!
[回[szgg町版 新編 数学1 練習1
次の警式を, ヶについて隆べきの順に加理せよ。
(①) 42?二2z十2一36 (⑳ 39+2ゲーー99-2
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こうなってます!!