Question

Media aritmetica Ale numerelor 1 pe 5 ; o, (3),si 19 pe 15??

Answer 1

0,(3) = 3/9 = 1/3 = 5/15  
1/5 = 3/15

Ma = $\frac{3/15+5/15+19/15}{3} = \frac{ \frac{27}{15} }{2} = \frac{ \frac{9}{5} }{2} = \frac{9}{5} * \frac{1}{2} = \frac{9}{10}$