(-3xy2)2÷(-2x2y)=______.-数学

题目简介

(-3xy2)2÷(-2x2y)=______.-数学

题目详情

(-3xy22÷(-2x2y)=______.
题型:填空题难度:中档来源:不详

答案

(-3xy2)2÷(-2x2y),
=9x2y4÷(-2x2y),
=9÷(-2)•(x2÷x2)•(y4÷y),
=-class="stub"9
2
•x2-2•y4-1,
=-class="stub"9
2
y3.
故填空答案:-class="stub"9
2
y3.

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