(3xy^2-2x^2)(1/3xy+2xy^3),其中x=-1,y=-2化简求值
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(3xy^2-2x^2)(1/3xy+2xy^3),其中x=-1,y=-2化简求值(3xy^2-2x^2)(1/3xy+2xy^3),其中x=-1,y=-2化简求值(3xy^2-2x^2)(1/3xy
(3xy^2-2x^2)(1/3xy+2xy^3),其中x=-1,y=-2化简求值
(3xy^2-2x^2)(1/3xy+2xy^3),其中x=-1,y=-2
化简求值
(3xy^2-2x^2)(1/3xy+2xy^3),其中x=-1,y=-2化简求值
原式=x²y³+6x²y^5-2/3x³y-4x³y³
=-8-192-4/3-32
=-700/3
(-3xy+2xy)-(4xy+xy)
3xy(x^2-xy^2+xy)-xy^2(2x^2-xy+2x)
因式分解X^3-2xy+xy^2
2x²y-3(2xy-xy)-xy
3xy-3xy-xy+2yx
3xy-4xy-(-2xy)
3xy-4xy-(-2xy)
2xy.(-3xy)÷(xy)
2xy-xy-(-3xy)=
1-(3xy-x)+【-2(2x+3xy)】
计算3xy[2xy-x(y-2)+x-1]
化简:xy分之3x^2+2xy-xy分之2x^2-xy=
已知(x+1)*(x+1)=-Iy-1I,求2(xy-(5xy)*(5xy))-3((xy)*(xy)-xy)
[(2xy-3)(2xy+3)+(xy+3)^2]/(-xy)
xy-3xy+2xy-xy
3xy(x^2y-xy^2+xy)-xy^2(2x^2-6xy+2x)过程
3xy^2*(-2xy)
计算:3xy(x²y-xy²+xy)-xy²(2x-xy+2x)