x^2+xy-2y^2+2x+7x-3因式分解
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1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
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x^3y(-4y)^2+(-7xy)^2*(-xy)-5xy^3*(-3x)^2
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-2x(3x-7y)+(x-y)(x^2+xy+y^2) 计算
求(3x^+y^-5xy)-【2x^-(-4xy-y^+7x^)】=?
求(3x^+y^-5xy)-【2x^-(-4xy-y^+7x^)】=?
[x(x^2y^2-xy)-y(x^2-x^3y)]/(2x^2y)
[x(x^2y^2-xy)-y(x^2-x^3y)]/3x^2y
[x(x^2y^2-xy)-y(x^2-x^3y)]/3x^2y