x+2的绝对值+y-2的算术平方根=0 则xy的立方根=?
人气：328 ℃ 时间：2019-08-19 23:59:49
解答
x+2=0；y-2=0
x=-2,y=2
xy=-4
xy的立方根为3 根号-4
多谢!
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