Mathematics
Senior High
どうやってやるのがおすすめですか?
xyzの方はどこで間違えてますか?
(2) (x+2y-z)3x+4y+2z)(-x+y-3z)
[xy2], [xyz]
(x+2y-Z)(+3xy-9-4)y+4y-12yz-2x+2y2-62)
4xy 6xy -834-y
コント) -39-31
-12xyz
2022 -18yz -4xyz-
-3xyz-4xyz
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