iloczyn x⁻³y⁻²(x⁴xy³+x³y²) jest równy sumie...
x⁻³y⁻²(x⁴xy³+x³y²)=x⁻³y⁻²(x⁵y³+x³y²)=x²y+x⁰y⁰=x²y+1
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x⁻³y⁻²(x⁴xy³+x³y²)=x⁻³y⁻²(x⁵y³+x³y²)=x²y+x⁰y⁰=x²y+1