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| additional number | |||
| backup number | |||
| subnumber | |||
| supplementary number | |||
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дополнительный номер : 17 phrases in 10 subjects |
| Computer networks | 1 |
| General | 2 |
| Information technology | 1 |
| Law | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Medical | 1 |
| Microsoft | 1 |
| Military | 4 |
| Programming | 4 |