计算下面各题 [2(x²y)²-5x³y+3x²y²]÷x²y
问题描述:
计算下面各题 [2(x²y)²-5x³y+3x²y²]÷x²y
答
2x²y-5x+3y 因为x²y是除数。所以x²y不为0.约去即可
答
[2(x²y)²-5x³y+3x²y²]÷x²y
=(2x^4y²-5x³y+3x²y²)÷x²y
=2x²y-2x+3y
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