x^3+y^3+x^2y+1

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x^3+y^3+x^2y+1
3x(2x+y)-2x(x-y),其中x=1,y=1/5

3x(2x+y)-2x(x-y),其中x=1,y=1/53x(2x+y)-2x(x-y),其中x=1,y=1/53x(2x+y)-2x(x-y),其中x=1,y=1/5算术题?结果5

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分解因式(x+y)3次方-y(x+y)平方+x平方(y+x)

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(2x-y)乘(2x+y)+(2x-y)乘(y-4x)+2y(y-3x)

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已知x-y=1,y≠0,求{(x+2y)²+(2x+y)(x+4y)-3(x+y)(x-y

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整式运算 [(2X-3Y)²-(2X-Y)(2X+Y)]÷2Y (3X+2Y)(3X-2Y

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化简((X-2Y)的平方+(X-Y)(x+Y)-2(X-3Y)(X-Y))除以Y

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不解方程组{2x+Y=6,x-3y=1,求7y(x-3y)²-2(3y-x)³的

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(x-y)(2x+3y)-3(x+2y)(x-2y)分解因式

(x-y)(2x+3y)-3(x+2y)(x-2y)分解因式(x-y)(2x+3y)-3(x+2y)(x-2y)分解因式(x-y)(2x+3y)-3(x+2y)(x-2y)分解因式=2x平方+xy-3y平方-3(x平方-4y平方)=-x平方

【x+y】【x-y】+【x-y】²-【x²-3xy】,其中x=2,y=1/2

【x+y】【x-y】+【x-y】²-【x²-3xy】,其中x=2,y=1/2【x+y】【x-y】+【x-y】²-【x²-3xy】,其中x=2,y=1/2【x+y】【x-y】+【x-y】²-【

1-3(X-Y)+3(X-Y)²-(X-Y)3次方次方因式分解

1-3(X-Y)+3(X-Y)²-(X-Y)3次方次方因式分解1-3(X-Y)+3(X-Y)²-(X-Y)3次方次方因式分解1-3(X-Y)+3(X-Y)²-(X-Y)3次方次方因式分解令a=x-y原式=-(a

因式分解x^4y-x^2y^3+x^3y^2-xy^4

因式分解x^4y-x^2y^3+x^3y^2-xy^4因式分解x^4y-x^2y^3+x^3y^2-xy^4因式分解x^4y-x^2y^3+x^3y^2-xy^4x^4y-x^2y^3+x^3y^2-xy^4=x^4y+x^3y^2-(x^

已知x/y=2/3,求3x-y/x+2y的值

已知x/y=2/3,求3x-y/x+2y的值已知x/y=2/3,求3x-y/x+2y的值已知x/y=2/3,求3x-y/x+2y的值x=2/3y2y-y/2/3y+2y=3/8二分之二十一3/83/8x=2/3y3x-y/x+2y=2y-y

先化简再求值 [(x-y)²+(x+y)(x-y)]÷2x,其中x=3,y=1

先化简再求值[(x-y)²+(x+y)(x-y)]÷2x,其中x=3,y=1先化简再求值[(x-y)²+(x+y)(x-y)]÷2x,其中x=3,y=1先化简再求值[(x-y)²+(x+y)(x-y)]÷2x,

已知x+y=-2,试计算1/2(x+y)+4(x-y)-3(x-y)-3/2(x+y)-x+y的值

已知x+y=-2,试计算1/2(x+y)+4(x-y)-3(x-y)-3/2(x+y)-x+y的值已知x+y=-2,试计算1/2(x+y)+4(x-y)-3(x-y)-3/2(x+y)-x+y的值已知x+y=-2,试计算1/2(x+y)+4

(1)(x+y)^2-(x+y)^3(2)(x-y)-(x-y)^3(3)(x-y)^2-(y-x)

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已知x和y满足x+3y+|3x-y|=19,2x+y=6,求x,y的值

已知x和y满足x+3y+|3x-y|=19,2x+y=6,求x,y的值已知x和y满足x+3y+|3x-y|=19,2x+y=6,求x,y的值已知x和y满足x+3y+|3x-y|=19,2x+y=6,求x,y的值x+3y+|3x-y|=192

设x,y满足x+3y+|3x-y|=19,2x+y=6则X= Y=

设x,y满足x+3y+|3x-y|=19,2x+y=6则X=Y=设x,y满足x+3y+|3x-y|=19,2x+y=6则X=Y=设x,y满足x+3y+|3x-y|=19,2x+y=6则X=Y=x=0.5,y=5

3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y

3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?3y/x*x

X+y=2/3 x∧2+y∧2=1联立解X和y

X+y=2/3x∧2+y∧2=1联立解X和yX+y=2/3x∧2+y∧2=1联立解X和yX+y=2/3x∧2+y∧2=1联立解X和y