已知:3的m次方=4,3的m-4n次方=81分之4,求2010的n次方的值
人气：155 ℃ 时间：2019-08-20 21:23:13
解答
3的m-4n次方
=3的m次方÷3的4n次方
=4÷3的4n次方=81分之4
所以3的4n次方=81=3的4次方
所以4n=4
n=1
所以2010的n次方=2010
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