【4y^2—x^2/x^2+2xy+y^2】/【x—2y/2x^2+2xy】计算
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【4y^2—x^2/x^2+2xy+y^2】/【x—2y/2x^2+2xy】计算【4y^2—x^2/x^2+2xy+y^2】/【x—2y/2x^2+2xy】计算【4y^2—x^2/x^2+2xy+y^
【4y^2—x^2/x^2+2xy+y^2】/【x—2y/2x^2+2xy】计算
【4y^2—x^2/x^2+2xy+y^2】/【x—2y/2x^2+2xy】
计算
【4y^2—x^2/x^2+2xy+y^2】/【x—2y/2x^2+2xy】计算
你表达的不清楚我猜原是是这样的你看对吗
不行的话请采纳后再追问,我就能看到
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
(x+y)(x+y+2xy)+(xy+1)(xy-1)(x+y)(x-y)+4(y-1)
计算:2xy/(x+y)².(x+y)/4y
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
(x^-4y^)/(x^+2xy+y^)/(x+2y)/(2x^+2xy)
(x^2+xy/x-y)/(xy/x-y)计算
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(x^2+2xy+y^2-4xy)*(x^2-2xy+y^2+4xy)
X-Y/2X+2Y XY/X+Y²
因式分解:x×x-xy-2y×y-x-y
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?
化简:3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]
因式分解x^2(x-y)-4xy(x-y)-4y^2(y-x)
计算:4xy-(x+y)^2/xy(x+y)(x-y)÷x^2+xy-2y^2/x^2y+2xy^2
化简2(x²y+xy)-3(x²y-xy)-4x²y