عدد الأهداف27 2اللاعب--->x 1اللاعب--->y 3اللاعب--->z : x = 2(y+z) : y+z = 1/2x x+y+z = 27 => x + 1/2x = 27 => 3/2x = 27 => x = 27* 2/3 => x = 18 y+z = 9 {y=4,z=5} احتمالات