Mental arithmetic level 4_50 on Day:.........Month:..........Year:...........

Total Core =

1. 57 + 52 - 77 + 91 + 17 - 74
Answer

2. 48 - 46 + 98 - 72 - 19 + 96
Answer

3. 54 - 44 + 35 + 22 + 96 + 91
Answer

4. 49 + 78 - 54 - 30 + 56 - 82
Answer

5. 97 + 82 + 91 - 47 + 95 - 72
Answer

6. 11 + 67 - 54 + 39 - 29 + 31
Answer

7. 64 - 43 + 87 + 93 + 39 - 33
Answer

8. 26 + 76 + 35 + 46 - 76 - 17
Answer

9. 40 + 63 + 31 + 20 + 66 + 91
Answer

10. 32 + 49 - 32 + 45 + 34 - 28
Answer

11. 905 - 497 - 393
Answer

12. 237 + 284 - 103
Answer

13. 359 - 197 + 269
Answer

14. 884 - 230 + 125
Answer

15. 805 - 283 + 428
Answer

16. 409 + 468 - 115
Answer

17. 723 - 199 - 361
Answer

18. 603 - 379 + 752
Answer

19. 465 + 510 - 901
Answer

20. 431 - 112 + 622
Answer