| |||
| треугольная система (уравнений) | |||
|
triangular system : 4 phrases in 3 subjects |
| Agrochemistry | 1 |
| Astronautics | 2 |
| Military | 1 |
| |||
| треугольная система (уравнений) | |||
|
triangular system : 4 phrases in 3 subjects |
| Agrochemistry | 1 |
| Astronautics | 2 |
| Military | 1 |