Question

calculati media aritmetica a nr. 5 si 8

Answer 1

$\boxed{M_a= \frac{a+b}{2} } \\ \\ M_a= \frac{5+8}{2}= \frac{13}{2} =\fbox{6,5}$

Answer 2

ma = ( a + b) / 2, formula
ma ( 5,8) = ( 5 + 8) / 2
               = 13 / 2
               = 6,5,  / = supra