Question

Sa se afle media aritmetica la numerele:
a=$\frac{1}{3}+ \frac{12}{5}$
b=$\frac{2}{3}+ \frac{3}{5}$

Urgent.

Answer 1

a=1/3+12/5=5/15+36/15=41/15
b=2/3+3/5=10/15+9/15=19/15
ma=(a+b)/2=(41/15+19/15)/2=(60/15)/2=4/2=2