x(x-y)^2-y(y-x)^2谢谢了,
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x(x-y)^2-y(y-x)^2谢谢了,
x(x-y)^2-y(y-x)^2谢谢了,
x(x-y)^2-y(y-x)^2谢谢了,
(x-y)(x-y)=(x-y)
x(x-y)^2-y(y-x)^2谢谢了,
2分之x+y+3分之x-y;4(x+y)-(x-y)谢谢了,
把x-y看作一个整体,合并同类项3(y-x)+2(x-y)+(y-x)-(x-y)谢谢了,
化简:[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢!
y=x+m y=2/x谢谢了,
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
化简y(x+y)+(x+y)(x-y)-x^2
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
帮忙化简下(2x+y)^2-(2x+y)(x-y)-2(x-2y)(x+2y)看了头大``帮忙下`谢谢`
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
因式分解x(x+y)(x-y)-x(x+y)^2
[(x-y)的平方+(x+y)(x-y)]除以(2x)等于?如题 谢谢了
[(x-y)^2-(x+2y)(x-2y)]/y
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
因式分解(x-y)^3+(y-x-2)^3+8谢谢
(x-y/1-x+y/1)÷2y/y-x计算错了,是(1/x-y-1/x+y)÷2y/y-x
x^2(x-y)+(y-x)
x(x-y)2-(y-x)3