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solve problem : 103 phrases in 20 subjects |
| Artificial intelligence | 4 |
| Business | 11 |
| Business style | 1 |
| Chess | 1 |
| Construction | 1 |
| Databases | 1 |
| Environment | 1 |
| General | 28 |
| Makarov | 23 |
| Mathematics | 12 |
| Mechanics | 1 |
| Military | 1 |
| Mining | 1 |
| Physics | 1 |
| Politics | 3 |
| Programming | 7 |
| Proverb | 1 |
| Research and development | 1 |
| Rhetoric | 2 |
| Scientific | 2 |