若m为正整数,3^2m*4^2m*36^m/72^2m等于
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若m为正整数,3^2m*4^2m*36^m/72^2m等于
3^2m*4^2m*36^m/72^2m
=9^m*16^m*36^m / 72^m*72^m
=154^m*36^m / 72^m*36^m*2^m
=1^m
=1
楼上错了,知道吗?
=9^m*16^m*36^m / 72^m*72^m
=154^m*36^m / 72^m*36^m*2^m
=1^m
=1
楼上错了,知道吗?
若m为正整数,3^2m*4^2m*36^m/72^2m等于
若m为正整数,且m不能被4整除,试说明1^m+2^m+3^m+4^m+…+9^m一定是5的倍数
m+3m+5m+...+2011m-2m-4m-...-2010m等于多少?
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(m+3m+5m+.+2008m)-(2m+4m+6m+.+2009m)
(m+3m+5m+...+2009m)-(2m+4m+6m+...2008m)
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