Mathematics
Senior High
Solved
オレンジで囲った部分の計算がなぜそのようになるか分からないので教えて欲しいです💦💦
与式=1-
01
(1-x)-1
1-x
1-
x-1x-(x-1)
逆に
=1-
x
x
1
x
x-1
1
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ありがとうございます!