2)
Ma = 8 = S/3 => S = Max3 = 8x3 = 24
a + (a + 2) + (a + 4) = 24
3a = 18
a = 6 (cel mai mic)
b = 8
c = 10 (cel mai mare)
3)
Ma = 0.5 = S/3 => S = Max3 = 0.5x3 = 1.5
4)
S = 2.7 => Ma = S/3 = > Ma = 2.7/3 = 2.7 : 3 = 0.9
