Phil, on 2016-July-25, 13:07, said:
1N pass 2D 2S
Pass pass x
The expected spade length for x is closest to:
0-1
1-2
2-3
3-4
4-5
Pass pass x
The expected spade length for x is closest to:
0-1
1-2
2-3
3-4
4-5
这道题比较有意思,我摘自BBO论坛,大意是:
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现在你期望加倍方有几张♠?大致是什么牌型?
0-1
1-2
2-3
3-4
4-5
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