Question

Aflati media aritmetica a numerelor:
a)10,3si9,8 b)1 (intreg si) 1/7si2(intreg si) 3/7 c)3,8;3,9;4,3

Answer 1

a)$\frac{10.3+9.8}{2} =5.65$
b)$(1 \frac{1}{7} +2 \frac{3}{7} )/2=( \frac{8}{7} + \frac{17}{7})/2= \frac{25}{7} * \frac{1}{2} = \frac{25}{14}$=1.8
c)$\frac{3.8+3.9+4.3}{2} =6$