Mental arithmetic level 4_36 on Day:.........Month:..........Year:...........

Total Core =

1. 45 + 30 - 31 + 43 - 78 + 20 - 17
Answer

2. 70 - 21 + 46 - 34 - 47 + 80 - 17
Answer

3. 60 + 29 - 81 + 90 - 51 + 26 - 65
Answer

4. 76 - 19 - 42 + 47 + 11 - 61 + 51
Answer

5. 71 - 21 - 41 + 32 + 54 - 35 - 39
Answer

6. 35 - 27 + 39 - 33 + 21 + 13 - 42
Answer

7. 75 - 49 + 38 - 32 + 32 + 10 - 51
Answer

8. 39 - 15 + 15 + 13 - 11 - 29 + 57
Answer

9. 24 - 14 + 84 - 39 + 14 - 65 + 65
Answer

10. 91 - 90 + 88 - 17 - 36 + 41 - 69
Answer

11. 52 + 38 + 94 - 21 + 89 - 41
Answer

12. 40 + 95 + 35 - 87 + 62 + 20
Answer

13. 29 + 39 + 74 + 70 - 77 + 47
Answer

14. 88 - 24 - 31 + 26 - 17 + 42
Answer

15. 79 - 48 - 27 + 18 + 51 - 35
Answer

16. 65 + 96 + 79 + 67 - 71 + 15
Answer

17. 74 - 48 + 95 + 69 - 48 - 10
Answer

18. 39 + 79 + 65 + 18 - 75 - 62
Answer

19. 49 + 98 + 65 - 23 - 95 - 62
Answer

20. 50 + 63 + 34 - 17 + 85 + 26
Answer