Mental arithmetic level 5_33 on Day:.........Month:..........Year:...........

Total Core =

1. 89 - 41 + 97 - 55 + 40 - 64 + 32 - 67
Answer

2. 24 - 20 + 82 - 27 - 42 + 18 + 92 + 51
Answer

3. 14 + 88 - 85 + 86 - 58 + 63 - 56 + 93
Answer

4. 91 - 14 - 38 + 15 + 37 - 27 - 15 + 65
Answer

5. 27 + 22 + 68 - 50 + 58 - 24 - 69 + 74
Answer

6. 71 - 64 + 79 + 12 - 53 + 41 - 80 + 74
Answer

7. 33 - 15 + 31 + 32 + 86 + 68 - 51 - 23
Answer

8. 58 + 28 + 96 + 50 + 21 - 76 - 60 - 19
Answer

9. 69 - 52 + 87 - 17 - 34 + 82 + 84 + 37
Answer

10. 99 - 78 + 58 + 28 + 24 + 72 + 61 - 63
Answer

11. 65 - 15 + 42 + 60 + 80 + 60 + 70 + 53
Answer

12. 69 + 81 - 12 + 44 + 79 - 89 - 80 - 79
Answer

13. 61 + 22 + 80 + 20 - 26 + 50 - 98 + 61
Answer

14. 62 + 66 - 25 - 73 + 71 - 15 - 58 + 20
Answer

15. 82 - 68 + 25 - 18 + 51 - 55 + 54 + 58
Answer

16. 15 + 39 + 58 + 38 + 30 - 38 + 81 + 65
Answer

17. 47 + 11 - 31 + 49 + 19 + 78 + 13 - 18
Answer

18. 51 + 49 + 73 - 89 + 30 + 30 + 46 - 91
Answer

19. 46 + 28 - 36 + 40 + 99 - 94 - 55 + 12
Answer

20. 84 - 50 + 76 - 30 - 62 + 57 + 92 - 82
Answer