2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
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2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
![2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少](/uploads/image/z/5542012-28-2.jpg?t=2x%28x%26%23178%3By-xy%26%23178%3B%29%2Bxy%28xy-x%26%23178%3B%29%5D%C3%B7x%26%23178%3By%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91)
[2x(x²y-xy²)+xy(xy-x²)]÷x²y
=[2x²y(x-y)+x²y(y-x)]÷x²y
=2(x-y)+(y-x)
=x-y
=[2x²y(x-y)+x²y(y-x)]÷x²y
=2(x-y)+(y-x)
=x-y
2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
x-y/x²÷x²-2xy+y²/xy*(xy-x²)
计算:(xy-x²)×x-y/xy
3xy+xy+2x²y+yx²+3x²y等于多少
3y/2x+2y + 2xy/x²+xy等于多少过程
x²/xy-x/y
[-xy/(x-y)²]²×(y²-xy/x)³
x/xy-y²与y/x²-xy 通分
计算;(xy-x²)÷x²-2xy+y²/xy · x-y/x²
计算:x²+2xy+y²/xy-y².x²-2xy+y²/xy+y
化简:[(x+y)²-(x-y)²]÷2xy
X²+2xy+y²/xy乘x²-2xy+y²/xy+y²=