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Calculati media aritmetica a numerelor a si b stiind ca a= 5/3 - 3/7 si b= 1/3 + 3/7
Repede va rog 15 pct de la mine :)


Răspuns :

(a+b)/2=[(5/3-3/7)+(1/3+3/7)]/2=(6/3)/2=2/2=1
(a+b)/2=(5/3-3/7)+(1/3+3/7)/2=(6/3)/2=2/2=1