Răspuns:
a = 2 x 3 = 6
b = 2 x 3³ = 2 x 27 = 54
m.g. = [tex]\sqrt{a \cdot b} = \sqrt{6 \cdot 54} = \sqrt{324} = \boxed{18}[/tex]
m.a. = [tex]\displaystyle \frac{a + b}{2} = \frac{6 + 54}{ 2} = \frac{60}{2} = \boxed{30}[/tex]
m.a. - m.g. = [tex]\displaystyle 30 - 18 = \boxed{12}[/tex] c.t.d.
