Bonjour
Calculer les expressions suivantes
A=50:5×(11-4)-4×(5×2-6)
A = 10 x 7 - 4 x (10 - 6)
A = 70 - 4 x 4
A = 70 - 16
A = 54
B=15:(18-16)-2×[15-2×(9-2)]
B = 15 : 2 - 2 x (15 - (2 x 7))
B = 15 : 2 - 2 x (15 - 14)
B = 7,5 - 2 x 1
B = 7,5 - 2
B = 5,5.
