Plus_minus-bis_1000

1. 750 + 70 =

2. 640 - 80 =

3. 498 + 7 =

4. 340 + 300 =

5. 820 - 500 =

6. 702 - 9 =

7. 820 - 40 =

8. 670 + 300 =

9. 260 + 67 =

10. 933 - 40 =

11. 900 - 340 =

12. 300 + 450 =

13. 800 - 270 =

14. 720 - 60 =

15. 340 + 80 =

16. 770 - 200 =

17. 600 -260 =

18. 270 + 90 =