Mathematics
Senior High
下線部のような式変換になる理由を教えてください
得1/っ符
ぇニュ +4)=ニ史記+台記
ょ=1 ょこ1
=1
』
zz+1| +そるみ1X2+1)
ーー
12 %二13(z+1)+202z+1) と
1 (2 十1)(3%7十79)
ーー(2十1)(%二23 +1)
! ! 2の
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