Mathematics
Senior High
Resolved
数1
なんでこうなるのか教えたください🥺
(6)xyz+xy+yz+zx+x+y+z+1
=(xy+x+y+1)+(xy+x+y+1)
=(xy+x+y+1) (z+1)
=(x+1)(y+1)(z+1)
135
zについて整理する. ただ
し,xやyについて整理し
てもかまわない
(2)と同じ
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あ!そゆことか!
わかりました!ありがとうございます🥹