Mathematics
Senior High
Solved
(7)の問題、答えと式の順番が違うのですが、ダメなのでしょうか?バツになりますか?
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(3) 人20の)
2 (>エッ寺3)*
0 (czも3)(デ十9)
リル
(6)与式= ((2zーー1] (2ツー3} =(2z一"一4(2z一の十3=ニ4y*ー4xy十アー8x
(7)与式=((々オッ)二3?三(ァ十y)十6(z土)土9ニア十2xッキア十6x十6y十9
(8)与式((2十2の)一d?ー(2Z十2の)*一2c(Z十2の)十どーの十4がの"十c"十4gの一45c一2c
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