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数学
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3/1+15/1+35/1+.+9999/1=
要过程!
人气：103 ℃ 时间：2020-02-04 01:33:58
解答
裂项49／99
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1/3+1/15+1/35+1/63+…+1/9999．
1/3+1/15+1/35+1/63+···1/9999=?
1/3+1/15+1/35+1/63+...+1/9999怎么解?
1/3+1/15+1/35+1/63+…+1/9999．
1/3+1/8+1/15+1/24+1/35+.1/9999=
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