1/2+1/6+1/12+1/24+1/48+1/56
答案:1 悬赏:50 手机版
解决时间 2021-02-15 21:42
- 提问者网友：我是我
- 2021-02-15 12:56
1/2+1/6+1/12+1/24+1/48+1/56
最佳答案
- 五星知识达人网友：woshuo
- 2021-02-15 14:16
1/2+1/6+1/12+1/24+1/48+1/56
=24/48+8/48+4/48+2/48+1/48+1/56
=39/48+1/56
=13/16+1/56
=91/112+2/112
=93/112
=24/48+8/48+4/48+2/48+1/48+1/56
=39/48+1/56
=13/16+1/56
=91/112+2/112
=93/112
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