问题 计算题

[(﹣2x2y)2·xy2﹣6x3·(xy23]÷(﹣2x4y4

答案

解:[(﹣2x2y)2·xy2﹣6x3·(xy23]÷(﹣2x4y4

=(4x4y2·xy2﹣6x3·x3y6)÷(﹣2x4y4

=(4x5y4﹣6x6y6)÷(﹣2x4y4

=﹣2x+3x2y2

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