Réponses

  • x22
  • Modérateur Junior
2014-10-12T21:45:10+02:00
Bonsoir,

A=4+5(-3)
=4+(-15)
=4-15= -11

B=(3-5-11)x4
=(-2-11)x4
=(-13)x4
=-52

C=-8-7x(-4)
=-8-(-28)
=-8+28
=20

D=-9+(-15):(-3)+7
=-9+(5)+7
=-4+7
=3