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| симметрия относительно точки; центральная симметрия | |||
| symétrie-point: 10 phrases in 7 subjects |
| Aviation | 1 |
| Geology | 1 |
| Hydraulic engineering | 2 |
| Mathematics | 2 |
| Mechanic engineering | 2 |
| Radio | 1 |
| Technology | 1 |
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