(x1+x2+x3+x4+x5)/5=2.4
x1+x2+x3+x4+x5 = 12
(x6+x7+x8)/3 = 3.2
x6+x7+x8 = 9.6
x1+x2+x3+x4+x5+x6+x7+x8 = 21.6
21.6/8 =2.7
От: 2.7
(x1+x2+x3+x4+x5)/5=2.4
x1+x2+x3+x4+x5 = 12
(x6+x7+x8)/3 = 3.2
x6+x7+x8 = 9.6
x1+x2+x3+x4+x5+x6+x7+x8 = 21.6
21.6/8 =2.7
От: 2.7