59 Calculer à la main chaque expression. M=-5 - 16:4 N= -25:5+ (-4) (-10) P=3- [7 - (-1) (4 - 9)] svp c est pour demain

Bonjour,
M= -5 -4 = -9
N= - 5 +40 = 35
P= 3- [( 7 -(-1)*(-5)]
= 3-[ (7 -( 5)]
= 3 -( 2)
= 3+2
= 5