Jawab: Penyelesaian: = 2 Diketahui: = 18 1 1 2 1 = = = 1 1 2 2 2 1 3 2 2 = 8 / = 1 1 2 Ditanya: = ⋯ ? 1 1 18 8 / 2 = 3 18 2 1 48 / = 1 18 = 2,67 / 1 33