若(1+m)的平方+n-1的绝对值=0,则2n的2006次方-3m的2007次方=
人气:219 ℃ 时间:2019-08-17 19:51:29
解答
(1+m)的平方+n-1的绝对值=0
1+m=0,n-1=0
m=-1,n=1
2n的2006次方-3m的2007次方
=2×1-3×(-1)
=2+3
=5
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