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| |||
| mental retardation; intellectual backwardness; lack of development; intellectual backwardness; mental retardation | |||
| underdevelopment (Kovrigin); immaturity (Kovrigin); imperfection (Kovrigin); backwardness (mental); lack of development (intellectual); retardation | |||
| undevelopment | |||
| неразвитость: 4 do fraz, 2 tematyki |
| Edukacja | 1 |
| Szachy | 3 |