Mental arithmetic level 2_4 on Day:.........Month:..........Year:...........

Total Core =

1. 97 - 73 - 10 + 4
Answer

2. 5 + 55 + 21 - 81
Answer

3. 7 + 51 + 14 - 30
Answer

4. 1 + 82 - 81 + 61
Answer

5. 53 + 43 - 81 + 61
Answer

6. 82 + 1 - 51 + 41
Answer

7. 65 - 23 + 2 + 21
Answer

8. 94 - 22 + 21 + 2
Answer

9. 75 - 34 + 49 - 60
Answer

10. 74 - 43 + 44 - 14
Answer

11. 33 + 26 + 37 - 60
Answer

12. 15 + 53 + 18 - 40
Answer

13. 82 - 22 + 17 - 54
Answer

14. 50 + 23 - 30 + 47
Answer

15. 61 - 61 + 45 + 41
Answer

16. 12 + 53 - 20 - 12
Answer

17. 28 + 59 -60 + 51
Answer

18. 91 - 61 + 20 + 41
Answer

19. 66 - 56 + 77 - 31
Answer

20. 12 + 66 - 72 + 51
Answer