化简:8x二次方y除以2x的二次方.(3a二次方b)三次方除以9ab三次方.

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8x²y÷2x²
=(8/2)*x^(2-2)*y
=4*(x^0)*y
=4y(3a²b)³÷9ab³
=27a^6*b³÷9ab³
=(27/9)*a^(6-1)*b^(3-3)
=3*(a^5)*(b^0)
=3*a^5
过程就是这样了
======以下答案可供参考======
供参考答案1:
8x^2Y÷(2x²)=4y
（3a^2b）³÷(9ab³)=27a^6b³÷9ab³=3a^5