Mental arithmetic level 6_67 on Day:.........Month:..........Year:...........

Total Core =

1. 81 - 14 - 43 + 44 - 65 + 82 + 4 + 23
Answer

2. 77 + 74 + 28 + 40 + 67 - 32 + 60 - 89
Answer

3. 44 + 33 + 67 - 74 - 37 + 50 + 64 - 95
Answer

4. 32 + 36 + 80 - 82 - 27 + 81 - 65 + 49
Answer

5. 33 + 60 - 83 + 97 + 57 + 98 - 12 - 28
Answer

6. 10 + 26 - 32 + 24 + 99 + 86 + 16 + 84
Answer

7. 18 + 73 + 30 - 31 + 36 + 50 + 11 + 41
Answer

8. 62 + 66 + 82 - 15 - 81 - 90 - 11 + 32
Answer

9. 97 + 39 + 33 - 73 - 72 + 62 - 62 + 93
Answer

10. 94 - 45 - 46 + 55 + 50 + 29 - 66 + 17
Answer

11. 52 + 95 + 66 - 10 + 48 + 94 + 62 + 83
Answer

12. 79 + 82 - 68 - 40 - 17 + 71 - 52 + 23
Answer

13. 40 + 92 + 43 - 11 + 50 - 80 + 81 + 72
Answer

14. 18 + 94 + 80 + 67 + 47 - 57 + 18 - 75
Answer

15. 58 - 17 + 33 + 96 + 56 - 62 - 28 - 67
Answer

16. 712 - 571 + 116 + 541
Answer

17. 657 - 429 + 457 - 311
Answer

18. 582 - 415 - 147 + 366
Answer

19. 426 + 180 + 139 + 128
Answer

20. 166 - 124 + 737 - 666
Answer