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sistema múltiplo : 24 phrases in 11 subjects |
| Chemistry | 1 |
| Communications | 7 |
| Earth sciences | 1 |
| Electronics | 8 |
| Finances | 1 |
| General | 1 |
| Information technology | 1 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Transport | 1 |
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