x·(9x³y-3xy²)÷(﹣3x²y) 计算
人气:222 ℃ 时间:2019-09-27 15:37:41
解答
x·(9x³y-3xy²)÷(﹣3x²y)
=(9x³y-3xy²)÷(﹣3xy)
=-3x²+y
如果本题有什么不明白可以追问,
请点击下面的【选为满意回答】按钮,还有一题 [(x+y)²-(x-y)²]÷(﹣4xy)[(x+y)²-(x-y)²]÷(﹣4xy)=4xy÷(﹣4xy)=-1
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