Nivel 1.
- 1. 6 +10 ÷2 =
- 2. 12 + 6 x 5 =
- 3. 3 + 8 +√64 =
- 4. 10+6+5 x 2+ 4=
- 5. (3)+(12) =
- 6. (-6)+(-2) =
- 7. –(-15)-(-9)=
- 8. 8+(13) =
- 9. (15)+(-8) =
- 10. (-4)-(-2) =
- 11. -6-(-5) =
- 12. (11)+(8) =
- 13. (-9)+(-1)-(-10) =
- 14. (11)-(13)+(-16) =
- 15. –(-24)+(-13)-(9) =
- 16. –(7)+(-3)-(-16) =
- 17. 9-(-6)+(-12) =
- 18. (3)-(6)+(-5)-(-8) =
- 19. 9-(5)+(-3)-(11) =
- 20. (8+5)-(-13+2) =
- 21. (-3-9)-(8+7) =
- 22. (15-(4+6)+(-3-7)) =
- 23. (9+5)-(8-11)-19 =
- 24. (8-25)-(8+5)+(13+11) =
- 25. (-5-7)+(16+3)-(4+7) =
- 26. –(-7-2)+(6+4)-(-3)-4 =
- 27. 1-(3-32+8)+(2+3+1) =
- 28. 4-(6+(-5+(12-8))) =
- 29. -5+(4+3(3-(4-8)+(-5-10)))=
- 30. -((18+3)-(5-1))+((8-3)-(5+1)) =
- 31. (9-(2-(1-5)))-(4-(5-4)+(-5))=
- 32. ((4+2-11)+(13+9-20))-((-3+5-21)-(18-15+6)) =
- 33. –(-8+(4-7)+(2-5-3))+((16-3)-(2-5-6)-12)






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