Réponses

  • x22
  • Modérateur Junior
2014-10-03T16:39:02+02:00
Bonjour,

(-4,5)x(+100+50)
=(-4,5)x150
=-(4,5x150)
=-675

-500x(50x100)+(-50)
=-500x(5000)+(-50)
=-500x5000-50
=-2500000-50
=-2 500 050

Voilà
2014-10-03T19:02:42+02:00
= ( - 4,5 ) x ( + 100 + 50 )
= - 4,5 x 150
= - 675

= - 500 x ( 50 x 100 ) + ( - 50 )
= - 500 x 5 000 - 50
= - 2 500 000 - 50
= - 2 500 050