标签云
| # | 标题 | 解出人数 | |
|---|---|---|---|
| 1931 | String Equations | 8.6 | x 3 |
| 1930 |
|
4.4 | x 13 |
| 1929 |
|
2.2 | x 74 |
| 1928 |
|
2.8 | x 143 |
| 1927 |
|
2.0 | x 116 |
| 1926 |
|
9.9 | x 1 |
| 1925 |
|
8.0 | x 6 |
| 1924 |
|
4.5 | x 24 |
| 1923 |
|
9.7 | x 1 |
| 1922 |
|
6.7 | x 9 |
| 1921 | Baskets of Gold Coins | 3.6 | x 76 |
| 1920 |
|
9.9 |