X(X+Y)(X-Y)-X(X-Y)的平方怎么写 急啊...
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X(X+Y)(X-Y)-X(X-Y)的平方怎么写急啊...X(X+Y)(X-Y)-X(X-Y)的平方怎么写急啊...X(X+Y)(X-Y)-X(X-Y)的平方怎么写急啊...X(X+Y)(X-Y)-X
X(X+Y)(X-Y)-X(X-Y)的平方怎么写 急啊...
X(X+Y)(X-Y)-X(X-Y)的平方怎么写 急啊...
X(X+Y)(X-Y)-X(X-Y)的平方怎么写 急啊...
X(X+Y)(X-Y)-X(X-Y)²
=x(x-y)[(x+y)-(x-y)]
=x(x-y)(-2y)
=-2xy(x-y)
[x(x+y)(x-y)-x(x-y)]^2
x(x+y)(x-y)-x(x+y)的平方
{(x,y) |x|+|y|
x>y?x:y
因式分解:x(x+y)(x-y)-(x+y)的平方
x^/y-x-y^/y-x化简.
化简x(y-x)-y(x-y)
行列式计算 x y x+y y x+y x x+y x y|x y x+y ||y x+y x ||x+y x y |
y/(x+y)-x/(x-y)
x/(x+y)(x-y)的三次方,y/(y+x)(y-x)的平方通分
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
(y-x)²(x-y)+(x-y)的三次方+2(x-y)²(y-x)
因式分解x(x+y)(x-y)-x(x+y)^2
x(x+y)(x-y)-x(x+y)² 因式分解
x y x+yy x+y xx+y x y
(3x-y)(3y+x)-(x-y)(x+y)
化简x/y(x+y)-y/x(x+y)
化简 x / y(x+y) - y / x(x+y) =
化简:(x+ y)(x-y) +(x+ y) +(x-y)