若X+2的绝对值+(y-1)的平方=0,求(x+y)的2006次方的值.
人气:281 ℃ 时间:2019-10-11 14:41:26
解答
X+2的绝对值+(y-1)的平方=0
x+2=y-1=0
x=-2,y=1
所以x+y=-1
所以原式=1
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