Erdenetsetseg tsahim hereg 1

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1. 1- 2. *

  • 6+3-4=? 3. 15+(6-2)=? 4. 16+(9-5)=? 5. 6+(15-8)=? 6. 14-(8+8)=?

7. . 8. * ? ? 9. * ? ?