2x(1/2x²-1)-3x(1/3x²+2/3) [x(x²y²-xy)-y(x²-x³y)]÷3x²y
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![2x(1/2x²-1)-3x(1/3x²+2/3) [x(x²y²-xy)-y(x²-x³y)]÷3x²y](/uploads/image/z/759839-23-9.jpg?t=2x%281%2F2x%26%23178%3B-1%EF%BC%89-3x%281%2F3x%26%23178%3B%2B2%2F3%EF%BC%89+%5Bx%28x%26%23178%3By%26%23178%3B-xy%29-y%28x%26%23178%3B-x%26%23179%3By%29%5D%C3%B73x%26%23178%3By)
2x(1/2x²-1)-3x(1/3x²+2/3) [x(x²y²-xy)-y(x²-x³y)]÷3x²y
2x(1/2x²-1)-3x(1/3x²+2/3)
[x(x²y²-xy)-y(x²-x³y)]÷3x²y
2x(1/2x²-1)-3x(1/3x²+2/3) [x(x²y²-xy)-y(x²-x³y)]÷3x²y
2x(1/2x²-1)-3x(1/3x²+2/3)
=x³-2x-x³-2x
=-4x;
[x(x²y²-xy)-y(x²-x³y)]÷3x²y
=(x³y²-x²y-x²y+x³y²)÷3x²y
=2xy/3-2/3;
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