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1/3+1/6+1/12+1/24+1/48+1/96的简便方法.
人气:182 ℃ 时间:2020-04-03 03:14:44
解答
1/3+1/6+1/12+1/24+1/48+1/96
=32/96+16/96+8/96+4/96+2/96+1/96
=63/96
=21/32
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