Mathematics
Junior High
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1問1問書かないで同類項がわかる方法ってありますか?
=ー幸WHSOia)の=グリーー 【 人40 0ーーグ )
三12ァ2十9zク一6x一4テッー3g?十22
三 12z?Z十5zみ一6ァー32"十22
次の式を展開しなさい。
①) (2二り(2十め一1) (2) (Z十2の(22十6十1)
(3) Z士22一)(2ァ一の (4) (Z-計編語852
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