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40x1=40
40x2=80
ma=40+80/2
ma=120/2
ma=60
SCRII SI FORMULA DE CALCUL!
Calculati media armetica a numerelor de doua cifre , multipli ai luii 40
Pai multipli 40 si 80
(40+80):2
120:2=60
_________
Sau
120 si 180
(120+180):2
300:2
150