18/2=9(п)
Ответ:9 пар получилось
2,5 х (22 + 3) + 3,2 х (22 - 3) = 62,5 + 60,8 = 123,3 км
328: <span>1, 2, 4, 8, 41, 82, 164, 328
240: </span><span>1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240
2464: </span><span>1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1 232, 2 464</span>