从 到 min max 从 到 max min
3 1.5 4.5 2.459 2.599 3 1.5 4.5 2.980 2.874
3.5 1.7 5 2.850 3.010 3.5 1.7 5 3.479 3.354
4 2 6 3.242 3.422 4 2 6 3.978 3.838
5 2.5 7.5 4.134 4.334 5 2.5 7.5 4.976 4.826
6 3 9 4.917 5.153 6 3 9 5.974 5.794
7 3 9 5.917 6.153 7 3 9 6.974 6.794
8 4 12 6.647 6.912 8 4 12 7.972 7.76
10 5 15 8.376 8.676 10 5 15 9.968 9.732
12 6 18 10.106 10.441 12 6 18 11.966 11.701
14 8 24 11.835