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a=0, (2)
b=0,(8)
media aritmetica a si b = ...
media geometrica a si b =.....


Răspuns :

ma=[0,(2)+0,(8)]:2=(2/9+8/9):2=10/9:2=5/9
mg=√0,(2)*0,(8)=√2/9*8/9=√16/81=4/9