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аравтын бутархай
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4. 5. , 6. , 7. 2 4 8. 9. 2 10 = 0,2 5 100 = 0,05 10. 5 10 - . 2
11. 2450 . ? 12. 1200 0,5 - ? 13. 26- 92,93,94
