2
Хойр — йиртимҗин тойг 1 болн 3 хоорнод.
Эсв
Хойр һанцахан хошадладаг болн түрүн экн тойг
Чинир
Болв чигин тойгата 
- x + x = 2 · x
- x · x = x²
Талдан
Бурхан-шаҗд, сойлд хойр ик чинритә тойг.
 | Эн зүүл белдлһн. Та төслд эн халхиг өргҗүләд дөң өгҗ чаднат. |
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