Réponses

  • Utilisateur Brainly
2014-06-01T16:44:36+02:00
7 * 5 - 4
= 35 - 4
= 31

3 * (- 7) + 5
= - 21 + 5
= - 16

3² + 6 * 3 - 8
= 9 + 18 - 8
= 19

3(2 * (- 2) - 6) - (- 5 * (- 2) + 7))
= 3 * (- 10) - 17
= - 30 - 17
= - 47

(5 * (- 1))² - 9 * (- 1) + 4
= 25 + 9 + 4
= 38