tiancaixiaoshuaiV2EX member #480742, joined on 2020-04-01 10:10:18 +08:00 |
tiancaixiaoshuaiV2EX member #480742, joined on 2020-04-01 10:10:18 +08:00 |
| 三门问题,我列了一个表格,得到的结论是换不换都是 1/2,求解
1 问与答 • tiancaixiaoshuai • Nov 13, 2024 • Lastly replied by tiancaixiaoshuai
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