1/3-1/6-1/12-1/24……-1/384 怎么计算?
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1/3-1/6-1/12-1/24……-1/384 怎么计算?
1/3-1/6-1/12-1/24……-1/384 怎么计算?
1/3-1/6-1/12-1/24……-1/384 怎么计算?
1/24 为1/12的两倍,1/12为1/6两倍.所以答为1/384
=1/6-1/12-1/24……-1/384
=1/12-1/24……-1/384
=1/24……-1/384
=1/384