标签云
| # | 标题 | 解出人数 | |
|---|---|---|---|
| 1931 | String Equations | 8.4 | x 4 |
| 1930 |
|
3.8 | x 16 |
| 1929 |
|
2.1 | x 78 |
| 1928 |
|
2.7 | x 147 |
| 1927 |
|
1.8 | x 124 |
| 1926 |
|
9.3 | x 2 |
| 1925 |
|
8.1 | x 6 |
| 1924 |
|
4.2 | x 27 |
| 1923 |
|
9.9 | x 1 |
| 1922 |
|
6.6 | x 10 |
| 1921 | Baskets of Gold Coins | 3.4 | x 80 |
| 1920 |
|
9.1 | x 2 |