怀念最初的感动
幼苗
共回答了18个问题采纳率:83.3% 举报
是0-27
0 1 2 3 4 5 6 7 8 9
考虑前两个数的和
0:1/100
1:2/100
2:3/100
3:4/100
4:5/100
5:6/100
6:7/100
7:8/100
8:9/100
9:10/100
10:9/100
11:8/100
12:7/100
13:6/100
14:5/100
15:4/100
16:3/100
17:2/100
18:1/100
然后算3个的
0:1/1000
1:3/1000
2:6/1000
3:10/1000
4:15/1000
5:21/1000
6:28/1000
7:36/1000
8:45/1000
9:55/1000
10:63/1000
11:69/1000
12:73/1000
13:75/1000
14:75/1000
15:73/1000
16:69/1000
17:63/1000
18:55/1000
19:45/1000
20:36/1000
21:28/1000
22:21/1000
23:15/1000
24:10/1000
25:6/1000
26:3/1000
27:1/1000
1年前
8