Mental arithmetic level 5_64 on Day:.........Month:..........Year:...........

Total Core =

1. 24 + 15 + 65 + 78 + 13 + 83 - 83 - 91
Answer

2. 77 + 99 - 11 + 23 + 69 - 65 - 78 - 68
Answer

3. 81 + 37 + 22 - 86 + 64 + 99 + 75 + 44
Answer

4. 90 - 68 + 24 - 42 + 10 + 47 - 27 + 57
Answer

5. 72 - 21 + 89 + 71 - 32 + 82 + 29 - 43
Answer

6. 45 + 70 + 64 - 77 + 72 - 98 + 29 + 95
Answer

7. 41 - 36 + 84 - 16 - 27 + 42 - 68 + 24
Answer

8. 76 + 96 + 54 - 10 - 88 + 62 - 90 - 82
Answer

9. 14 + 75 + 35 - 16 + 16 - 34 - 63 + 95
Answer

10. 99 - 85 + 33 + 15 - 62 + 36 + 68 + 34
Answer

11. 71 + 70 + 82 + 69 - 18 + 40 - 89 + 97
Answer

12. 40 + 94 + 75 + 99 - 89 + 97 + 45 - 67
Answer

13. 27 + 32 + 15 - 26 - 19 - 29 + 85 - 32
Answer

14. 54 - 15 + 86 - 11 + 76 + 62 - 64 + 42
Answer

15. 97 + 93 - 15 + 89 + 49 + 90 - 52 - 90
Answer

16. 92 - 70 + 34 + 50 - 60 - 41 + 10 + 45
Answer

17. 28 + 68 + 15 - 13 - 39 - 58 + 35 + 54
Answer

18. 47 + 45 - 13 - 50 + 58 + 86 + 33 + 18
Answer

19. 63 + 68 - 71 + 90 - 40 - 76 + 86 - 35
Answer

20. 96 + 19 - 14 - 27 + 32 + 30 + 22 - 16
Answer