1 calculer de gauche a droite.

A=24-36+18
C=-8-4+12
E=-23+24-21
F=14.7-23.5 +56.2 - 33.5
B=-13-28+35
D=18-8+4-14 ​


Sagot :

A= -12 +18 = 6
C= -12 + 12 = 0
E= 1-21 =20
F= -8,8+ 56.2 = 47,4- 33,5 = 13,9
B= -41 + 35 = -6
D= 10+4 = 14-14 = 0