Mental arithmetic level 4_71 on Day:.........Month:..........Year:...........

Total Core =

1. 89 - 67 + 91 - 74 + 26 - 36
Answer

2. 95 + 76 + 70 + 56 - 90 - 30
Answer

3. 49 + 59 - 36 + 92 + 21 - 87
Answer

4. 17 + 73 + 48 - 49 - 38 + 38
Answer

5. 65 + 87 + 35 + 10 + 86 + 28
Answer

6. 27 + 30 - 13 + 80 - 75 + 88
Answer

7. 40 + 29 - 33 - 18 + 20 - 37
Answer

8. 61 + 98 + 16 + 94 - 74 - 78
Answer

9. 69 - 14 + 84 - 65 + 52 - 79
Answer

10. 61 + 88 - 92 + 84 + 47 + 83
Answer

11. 665 + 308 - 130
Answer

12. 236 + 706 - 642
Answer

13. 379 - 288 + 814
Answer

14. 229 + 131 - 166
Answer

15. 144 + 340 + 340
Answer

16. 857 - 107 + 209
Answer

17. 174 + 348 - 422
Answer

18. 312 + 605 - 874
Answer

19. 137 + 538 - 506
Answer

20. 492 - 310 + 606
Answer