June 2022 1 104 Report
bonjour j'ai besoin d'aide svp pour cette exercice de mathématiques merci d'avance.


Effectuer sans calculatrice :

1. 1 + 5 = . . . . . .

2. 20 ÷ 4 = . . . . . .

3. . . . . . . × (−7) = −63

◮4. −4 − . . . . . . = 5

5. 8 ÷ . . . . . . = −8

6. −2 + (−4) = . . . . . .

7. −6 − (−3) = . . . . . .

8. . . . . . . × 2 = −10

9. −4 − (−9) = . . . . . .

10. . . . . . . × 1 = −9

11. −6 + . . . . . . = −10

12. −1 − . . . . . . = 7

13. 10 × . . . . . . = −100

14. 9 + 9 = . . . . . .

15. −35 ÷ 5 = . . . . . .

16. −3 + (−1) = . . . . . .

17. . . . . . . ÷ 1 = 2

18. 10 ÷ . . . . . . = 5

19. 11 − 5 = . . . . . .

20. 1 × . . . . . . = 3
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