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| трудности (грамматики, пунктуации и пр. ART Vancouver) | |||
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| проблемный момент (bookworm) | |||
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problem points : 42 phrases in 14 subjects |
| Applied mathematics | 1 |
| Astronautics | 1 |
| Aviation | 1 |
| Cartography | 1 |
| Diplomacy | 1 |
| General | 2 |
| Geophysics | 1 |
| Makarov | 10 |
| Mathematics | 12 |
| Mechanics | 5 |
| Navigation | 1 |
| Statistics | 1 |
| Surveying | 1 |
| Technology | 4 |