Question

Calculati media aricmetica a numerelor:
a)13 si 7 
b)-14 si 12
c) √12 si √48

Answer 1

a)(13+7):2=20:2=10
b)(-14+12):2=-2:2=-1
c)√12 si √48=(2√3+4√3):2=6√3:2=3√3

Answer 2

13+7:2=10;-14+12:2=1;3,46+6,92=10,38\2=5,19