Упростите многочлен и найдите его числовое значение
1) x²yxy-xy²xy+ xy
при x=-3 y= 2
2)xy²x²y-xyxy
при х= -2 y=3
1) x²yxy-xy²xy+ xy
при x=-3 y= 2
2)xy²x²y-xyxy
при х= -2 y=3
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Answers & Comments
2)2)xy²x²y-xyxy = x²у Если х= -2 y=3, то (-2)² * 3 = 12