Question

Calculati mdia aritmetica a numerelor a=2(5-√5) si b=2√5

Answer 1

m=(a+b)/2
m=(10-2√5+2√5)/2=10/2=5

Answer 2

a=10-2rad5

ma=a+b/2
ma=10-2rad5+2rad5/2
ma=10/2
ma=5