Aider mois svp svp svp Exercice1 calculer les expressions suivantes en détaillant les calculs
A= 15+3-6+2-7
B= -8+4-5-6+11
C= (+10)-(-4)+(-1)+(+5)-(+9)
D= (-15)-(+14)+(+30)+(-15)-(-20)
E= 21+8x2-[2+(13-9)x3]-(10-6)
A= 15+3-6+2-7
B= -8+4-5-6+11
C= (+10)-(-4)+(-1)+(+5)-(+9)
D= (-15)-(+14)+(+30)+(-15)-(-20)
E= 21+8x2-[2+(13-9)x3]-(10-6)
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