6*8:18,5*4*:18 плиииииииииииииииииииз

6 * 8 : 18 , 5 * 4 :18 = 6 * 8 : 18 целых 5 / 10 * 4 :18 = 6 * 8 : 18 целых 5 / 10 * 4 :18 = 6 * 8 : 18 целых 1 / 2 * 4 :18 = 6 * 8 : ( 18 * 2 + 1) / 2 * 4 :18 = 6 * 8 : ( 36 + 1) / 2 * 4 :18 = 6 * 8 : 37 / 2 * 4 :18 = 48 : 37 / 2 * 4 :18 = 48 * 2 / 37 * 4 :18 = 48 * 2 * 4 / 37 :18 = 48 * 2 * 4 / 37 * 1 / 18 = 48 * 2 * 4 / (37 * 18) = 48 * 2 * 4 / (37 * 2 * 9 ) = 48 * 1 * 4 / (37 * 1 * 9 ) = 16 * 3 * 4 / (37 * 3 * 3 ) = 16 * 1 * 4 / (37 * 1 * 3 ) = 16 * 4 / (37 * 3) = 64 / (37 * 3) = 64 / 111.Ответ: 64 / 111.