Mathematics
Senior High
Solved
オレンジ線の式の変形はどうなっているのか教えてください!
3③ ぷ(を6&+5=ぷをーー6ん+や5
ん=1 ん= } ん= 1 ん= 1
1 1
(2 十1)(2z 十]1)一 ー6・テ妨み十)十5な
5
よ
6
[(z十1)(2z十1)一18(z十1)十30)
mememitntiWWNIRRDRI和Ne
で(2 ー15十13)
昌
1
で々? (2一])(2x 一13)
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