Mental arithmetic level 6_64 on Day:.........Month:..........Year:...........

Total Core =

1. 75 - 24 + 31 + 71 + 13 - 53 + 64 + 95
Answer

2. 11 + 69 + 10 - 16 + 62 - 13 - 60 + 47
Answer

3. 76 - 50 - 16 + 61 + 62 - 82 + 81 + 72
Answer

4. 27 + 32 - 26 + 33 + 69 - 78 + 84 - 90
Answer

5. 420 + 283 - 666 + 154
Answer

6. 854 - 676 + 592 + 134
Answer

7. 909 - 406 + 482 - 422
Answer

8. 772 - 556 + 394 + 332
Answer

9. 558 - 474 + 223 - 237
Answer

10. 437 + 186 - 478 + 139
Answer

11. 138 + 512 - 288 + 584
Answer

12. 179 - 151 + 480 + 317
Answer

13. 630 - 140 - 321 - 102
Answer

14. 246 + 680 - 380 + 341
Answer

15. 746.84 - 548.65
Answer

16. 869.05 - 802.04
Answer

17. 529.83 - 471.19
Answer

18. 573.01 + 383.12
Answer

19. 802.15 - 347.46
Answer

20. 51 * 45
Answer