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Calculati media aritmetica a numerelor:

a) 3;27;111
d) 12;104;56;1808


Răspuns :

(3+27+111)/3=141/3=47
(12+104+56+1808)/4=1980/4=495
a) M.a.= (3+27+111)/3 =141/3=47
d)M.a.=(12+104+56+1808) / 4= 1980/4= 495