Mental arithmetic level 4_14 on Day:.........Month:..........Year:...........

Total Core =

1. 23 + 76 - 52 + 28 - 48 + 30 - 15
Answer

2. 42 - 24 + 81 - 70 + 14 - 22 + 18
Answer

3. 15 + 81 - 81 + 65 - 10 - 14 - 30
Answer

4. 56 - 16 + 33 + 22 - 53 - 39 + 60
Answer

5. 59 - 29 + 27 - 43 + 82 - 29 - 49
Answer

6. 74 - 31 - 43 + 90 - 33 + 39 - 82
Answer

7. 53 - 26 + 21 + 11 - 42 + 38 + 14
Answer

8. 23 + 64 - 78 + 41 + 19 - 47 + 41
Answer

9. 62 - 20 + 23 - 13 - 35 + 11 + 25
Answer

10. 16 + 69 - 10 - 13 + 14 - 46 + 42
Answer

11. 70 - 35 + 41 - 64 + 47 + 53
Answer

12. 55 + 25 + 72 + 73 - 19 + 84
Answer

13. 65 + 44 - 25 - 33 + 16 + 62
Answer

14. 21 - 10 + 69 + 49 + 76 + 76
Answer

15. 38 + 74 - 31 + 98 - 94 + 90
Answer

16. 15 + 68 + 60 + 63 - 17 + 24
Answer

17. 33 + 26 + 88 - 92 + 78 - 45
Answer

18. 43 - 18 + 34 - 29 + 18 + 42
Answer

19. 18 + 61 - 64 + 39 + 55 - 17
Answer

20. 27 - 16 + 20 + 34 - 32 + 15
Answer