Упростите выражение:
(x-y)-((x+xy)-(xy-y))
(x-y)-((x+xy)-(xy-y))=х-у-(х+ху-ху+у)=х-у-х-ху+ху-у=-2у
(x-y)-((x+xy)-(xy-y))=(x-y)-(x+xy-xy+y)=(x-y)-(x+y)=-2y
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Verified answer
(x-y)-((x+xy)-(xy-y))=х-у-(х+ху-ху+у)=х-у-х-ху+ху-у=-2у
Verified answer
(x-y)-((x+xy)-(xy-y))=(x-y)-(x+xy-xy+y)=(x-y)-(x+y)=-2y