x²-(x³y-2x²y²)÷(xy)
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x²-(x³y-2x²y²)÷(xy)
x²-(x³y-2x²y²)÷(xy)
x²-(x³y-2x²y²)÷(xy)
x²-(x³y-2x²y²)÷(xy)
=x²-x³y÷xy+2x²y²÷xy
=x²-x²+2xy
=2xy
x²-(x³y-2x²y²)÷(xy)
=x²-xy(x²-2xy)÷(xy)
=x²-(x²-2xy)
=2xy
=x²-(x²-2XY)
=2XY
x²-(x³y-2x²y²)÷(xy)=x²-xy(x²-2xy)/xy=x²-(x²-2xy)=2xy
x的平方-2x三次方y
x²-(x³y-2x²y²)÷(xy)
=x²-x²-2xy
=-2xy