x/x+y+y/x-y+2xy/x2-y2 求帮忙化简求值 其中x=-3根号3 y=2根号3麻烦把过程写清楚一点 我不要结果
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因式分解x2+y-xy-x
(x-y)(x2+xy+y2)
(x+y)(x2-xy+y2)
(x-y)(x2+xy+y2)-xy(y-x)
2x(x-y)4-x2(x-y)2+xy(y-x)2 如何因式分解
已知x.y满足X2-y2=2xy.则x-y/x+y=?x.
XY(XY-X2)乘以------------X-Y
因式分解 x2(x+1)-y(xy+x)
(xy-x^2)-(x2-2xy+y^2)/xy×(x^2-y^2)/x^2 -xy-y^2
化简(2x+y)(2x-y)+(x+y)2次方-2(2x2次方-xy)
整数x,y满足x2-y2=2xy,求x-y/x+y的值
(2xy/x2-y2)+(x+y/x)-(y/y-x)计算
正整数x,y满足x2-y2=2xy,求x-y/x+y的值
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
X-Y/2X+2Y XY/X+Y²
因式分解:x×x-xy-2y×y-x-y