Bonjour,
Calculer les expressions ci-dessous :
A=2+2³*7²
A = 2 + 8 * 49
A = 2 + 392
A = 394
B=(-3)³+2*5²
B = - 27 + 2 * 25
B = - 27 + 50
B = 23
C=[2*3-(-2)³]/2²
C = (6 - (- 8) / 4
C = (6 + 8) / 4
C = 14/4
C = 7/2
C = 3,5
D=[53-2*(-5)²]²
D = (53 - 2 * 25)²
D = (53 - 50)²
D = 3²
D = 9.