1/2x²y·()=2x³y-x²y²
来源：学生学帮网 编辑：学帮网 时间：2024/07/05 07:11:09
1/2x²y·()=2x³y-x²y²
0.5x²y·()=2x³y-x²y²?
()=(2x³y-x²y²)/(0.5x²y)
=(2x³y)/(0.5x²y)-(x²y²)/(0.5x²y)
=4x-2y
1/2x²y·()=2x³y-x²y²
0.5x²y·()=2x³y-x²y²?
()=(2x³y-x²y²)/(0.5x²y)
=(2x³y)/(0.5x²y)-(x²y²)/(0.5x²y)
=4x-2y