Réponses

2014-09-04T18:33:05+02:00
L= -7 X -4 = +28
k = 2X 8-4 = 16-4 = +12
m = 3-2X 7 = 3 -14 = -11
j = -3 X 7 = -21
l = -5 X -3 -4 X 2
+15 -8 = +7
  • Utilisateur Brainly
2014-09-04T20:25:20+02:00
- 7 * (- 4)
= 28

2 * 8 - 4
= 16 - 4
= 12

3 - 2 * 7
= 3 - 14
= - 11

- 3 x 7
= - 21

- 5 x - 3 - 4 x 2
 15 - 8
= 7