2/xy=( )/2ax²y² x³-xy²/(x-y)²=x( )/x-y
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![2/xy=( )/2ax²y² x³-xy²/(x-y)²=x( )/x-y](/uploads/image/z/5506267-67-7.jpg?t=2%2Fxy%3D%28+%29%2F2ax%26%23178%3By%26%23178%3B+x%26%23179%3B-xy%26%23178%3B%2F%28x-y%29%26%23178%3B%3Dx%28+%29%2Fx-y)
2/xy=( )/2ax²y² x³-xy²/(x-y)²=x( )/x-y
2/xy=( )/2ax²y² x³-xy²/(x-y)²=x( )/x-y
2/xy=( )/2ax²y² x³-xy²/(x-y)²=x( )/x-y
2/xy=(axy)/2ax²y²
x³-xy²/(x-y)²=x(x²-y²)/(x-y)²=x(x-y)(x+y)/(x-y)²=x(x+y)/(x-y)