Mental arithmetic level 4_67 on Day:.........Month:..........Year:...........

Total Core =

1. 57 + 12 - 56 + 58 - 41 - 28 + 54
Answer

2. 32 + 24 - 35 + 40 - 10 - 25 + 34
Answer

3. 56 - 55 + 17 + 37 - 25 + 23 - 39
Answer

4. 31 - 25 + 83 - 22 - 64 + 62 - 18
Answer

5. 71 - 22 + 14 + 10 + 17 - 58 - 10
Answer

6. 91 - 37 - 49 + 58 + 35 - 71 - 20
Answer

7. 93 - 81 - 10 + 75 - 43 + 34 - 65
Answer

8. 63 - 81 - 10 + 75 - 43 + 34 - 65
Answer

9. 64 - 27 - 18 + 71 - 39 + 47 - 72
Answer

10. 74 - 29 - 18 - 13 + 66 - 13 - 11
Answer

11. 39 + 25 + 35 - 45 - 24 + 75
Answer

12. 79 + 86 + 27 + 37 - 54 + 35
Answer

13. 92 + 83 + 81 - 49 - 72 + 99
Answer

14. 73 - 42 - 25 + 46 - 17 - 25
Answer

15. 99 + 62 + 18 + 11 - 69 - 83
Answer

16. 34 - 10 + 11 + 18 + 44 + 58
Answer

17. 92 - 15 + 48 - 71 + 89 - 75
Answer

18. 14 + 36 + 54 - 58 + 80 + 49
Answer

19. 81 + 11 - 57 + 42 - 77 + 61
Answer

20. 49 + 72 + 75 - 96 - 36 + 34
Answer