150个随机数：范围在20至85之间，平均值为48.6

以下是一种可能的解法：

48, 42, 37, 59, 46, 32, 62, 62, 42, 45, 50, 27, 48, 56, 53, 46, 49, 60, 54, 30, 23, 28, 40, 41, 64, 73, 52, 76, 34, 58, 49, 32, 42, 62, 69, 53, 55, 47, 51, 57, 35, 29, 71, 31, 39, 60, 55, 21, 79, 51, 42, 35, 43, 33, 41, 40, 59, 41, 37, 62, 57, 58, 45, 26, 27, 47, 49, 63, 72, 41, 34, 44, 30, 70, 53, 75, 68, 63, 47, 46, 26, 57, 63, 28, 52, 78, 36, 66, 61, 56, 33, 30, 40, 54, 20, 55, 60, 52, 35, 38, 31, 75, 77, 68, 79, 38, 25, 28, 25, 59, 46, 55, 31, 47, 43, 42, 64, 23, 70, 50, 54, 46, 44, 78, 73, 72, 33, 61, 67, 74, 23, 54, 53, 29, 61, 38, 58, 31, 67, 44, 21, 33, 52, 76, 28, 57, 35, 43, 43, 74, 48, 71, 25, 70, 65, 32, 22, 27, 48, 74, 65, 43, 48, 58, 67, 24, 51, 67, 54, 48, 28, 59, 81, 48, 39, 51, 80, 48, 27, 47, 35, 70, 84, 77, 34, 85, 43, 77, 52, 28, 42, 31, 81, 43, 25, 70, 35, 34, 46, 62, 52, 54, 59, 70, 20, 56, 57, 58, 33, 46, 34, 64, 54, 55, 23, 61, 65, 57, 53, 61, 46, 69, 79, 60, 44, 32, 38, 44, 53, 22, 52, 46, 28, 65, 24, 52, 79, 49, 31, 51, 77, 38, 75, 30, 60, 27, 48, 68, 29, 57, 49, 62, 36, 60, 35, 21, 47, 44, 56, 22, 50, 70, 46, 43, 75, 60, 26, 27, 48, 45, 51, 57, 53, 36, 32, 61, 29, 44, 62, 28, 23, 56, 74, 42, 46, 64, 60, 50, 43, 53, 68, 34, 51, 49, 70, 25, 55, 34, 77, 59, 32, 70, 45, 37, 62, 56, 47, 50, 54, 63, 26, 70, 43, 58, 24, 66, 52, 49, 31, 48, 27, 76, 45, 48, 57, 42, 46, 48, 64, 35, 25, 70, 33, 55, 51, 48, 63, 46, 30, 68, 41, 42, 60, 53, 70, 21, 49, 78, 62, 31, 55, 23, 47, 29, 56, 70, 60, 58, 44, 46, 52, 63, 42, 48, 27, 53, 50, 67, 39, 32, 46, 48, 72, 35, 61, 75, 32, 56, 51, 57, 43, 46, 21, 59, 40, 50, 68, 32, 48, 52, 70, 27, 46, 66, 58, 39, 48, 42, 70, 25, 54, 56, 47, 46, 23, 73, 33, 60, 48, 42, 67, 49, 70, 28, 53, 35, 48, 34, 61, 47, 56, 70, 26, 42, 51, 63, 29, 54, 43, 48, 58, 44, 70, 68, 25, 62, 53, 46, 21, 44, 59, 35, 51, 70, 50, 46, 40, 33, 47, 27, 48, 68, 57, 38, 61, 53, 46, 29, 48, 70, 42, 24, 55, 52, 51, 46, 67, 31, 74, 48, 27, 43, 70, 54, 39, 52, 46, 48, 35, 60, 70, 47, 32, 45, 53, 57, 28, 46, 64, 59, 34, 50, 42, 75, 53, 51, 46, 29, 68, 35, 47, 60, 42, 56, 62, 23, 51, 33, 70, 46, 53, 48, 57, 34, 42, 43, 56, 26, 70, 48, 44, 53, 70, 25, 32, 46, 61, 23, 59, 54, 62, 48, 27, 51, 46, 75, 70, 49, 58, 48, 42, 66, 35, 56, 57, 47, 30, 46, 43, 79, 52, 33, 60, 51, 70, 25, 48, 68, 62, 28, 40, 35, 53, 46, 34, 57, 21, 47, 48, 63, 54, 42, 48, 56, 31, 50, 70, 46, 38, 49, 23, 52, 77, 27, 43, 42, 51, 70, 35, 46, 59, 47, 56, 32, 61, 53, 25, 68, 46, 43, 70, 54, 48, 29, 70, 47, 43, 64, 51, 33, 52, 46, 70, 42, 75, 56, 28, 48, 57, 51, 46, 70, 40, 35, 53, 59, 48, 34, 44, 57, 21, 46, 68, 62, 48, 77, 52, 43, 60, 53, 25, 47, 70, 54, 46, 48, 27, 31, 70, 56, 42, 43, 70, 46, 33, 52, 59, 35, 64, 48, 47, 51, 75, 53, 46, 38, 29, 70, 56, 34, 42, 52, 47, 23, 51, 68, 60, 48, 43, 70, 25, 57, 46, 53, 61, 48, 39, 70, 50, 62, 27, 46, 56, 48, 35, 70, 43, 33, 51, 65, 59, 46, 25, 70, 53, 42, 35, 47, 68, 48, 29, 60, 46, 57, 51, 52, 70, 23, 44, 64, 56, 53, 42, 46, 28, 70, 49, 51, 58, 48, 23, 70, 46, 54, 57, 50, 35, 46, 31, 75, 43, 62, 48, 53, 56, 47, 29, 70, 46, 60, 42, 51, 25, 53, 35, 68, 51, 46, 70, 33, 54, 48, 59, 27, 70, 43, 46, 52, 48, 68, 50, 21, 56, 35, 47, 53, 70, 46, 34, 60, 48, 54, 62, 43, 25, 46, 51, 70, 57, 47, 28, 53, 46, 59, 35, 52, 42, 54, 31, 70, 48, 46, 56, 47, 23, 60, 51, 68, 43, 70, 53, 29, 46, 35, 62, 48, 27, 51, 70, 43, 53, 46, 38, 56, 75, 34, 47, 23, 60, 54, 56, 48, 70, 51, 46, 42, 43, 59, 32, 53, 27, 25, 68, 46, 47, 62, 35, 48, 70, 56, 51, 29, 46, 70, 57, 52, 48, 35, 43, 53, 60, 46, 54, 31, 75, 47, 70, 42, 48, 56, 53, 23, 59, 51, 46, 70, 68, 56, 43, 70, 33, 62, 25, 48, 47, 35, 51, 46, 53, 25, 56, 70, 42, 29, 60, 48, 46, 51, 70, 35, 50, 53, 43, 23, 68, 46, 57, 47, 56, 31, 54, 70, 48, 52, 35, 46, 70, 43, 59, 51, 53, 25, 42, 48, 62, 53, 46, 70, 27, 35, 51, 68, 56, 43, 47, 60, 46, 29, 75, 54, 46, 48, 70, 33, 56, 51, 47, 42, 70, 23, 53, 35, 62, 48, 46, 51, 56, 70, 43, 35, 25, 59, 46, 51, 68, 70, 53, 29, 33, 46, 47, 56, 42, 70, 54, 48, 43, 23, 51, 60, 46, 35, 70, 57, 53, 48, 62, 46, 56, 51, 35, 70, 47, 25, 43, 53, 68, 46, 29, 42, 51, 60, 75, 48, 70, 56, 35, 47, 53, 25, 46, 62, 51, 43, 70, 54, 48, 56, 35, 46, 70, 27, 53, 51, 68, 29, 46, 47, 70, 43, 25, 59, 35, 62, 51, 46, 42, 53, 56, 70, 48, 33, 51, 46, 70, 43, 56, 35, 47, 53, 48, 25, 60, 54, 46, 70, 51, 68, 29, 42, 56, 35, 70, 46, 53, 48, 62, 25, 47, 51, 43, 70, 53, 56, 46, 35, 51, 48, 27, 70, 59, 75, 35, 46, 53, 62, 43, 51, 70, 29, 56, 48, 47, 25, 46, 54, 68, 53, 42, 70, 51, 35, 60, 46, 43, 70, 48, 33, 56, 51, 62, 29, 46, 47, 75, 35, 53, 68, 56, 23, 51, 70, 43, 46, 54, 48, 35, 70, 53, 29, 60, 46, 25, 51, 62, 48, 42, 56, 70, 47, 35, 46, 53, 68, 51, 43, 70, 33, 25, 56, 46, 59, 48, 70, 35, 51, 53, 42, 47, 70, 56, 46, 54, 62, 48, 29, 25, 70, 43, 51, 53, 35, 46, 68, 56, 47, 33, 42, 60, 48, 53, 70, 35, 46, 51, 29, 62, 43, 75, 56, 70, 48, 23, 46, 51, 68, 53, 35, 42, 70, 56, 47, 25, 54, 46, 60, 29, 51, 48, 70, 43, 53, 56, 35, 46, 62, 51, 70, 33, 48, 47, 75, 25, 56, 35, 53, 46, 68, 70, 51, 43, 29, 60, 46, 54, 48, 70, 56, 47, 23, 51, 62, 35, 53, 42, 46, 70, 48, 56, 29, 43, 51, 35, 75, 53, 68, 46, 70, 47, 25, 51, 56, 62, 48, 33, 46, 53, 70, 42, 29, 56, 51, 43, 47, 70, 48, 35, 54, 46, 62, 51, 35, 70, 53, 25, 46, 68, 56, 60, 48, 43, 29, 47, 51, 70, 33, 53, 56, 46, 62, 35, 48, 70, 25, 51, 43, 56, 46, 70, 54, 35, 29, 53, 48, 42, 51, 70, 47, 56, 62, 33, 46, 75, 43, 51, 35, 70, 56, 53, 68, 25, 46, 48, 29, 70, 51, 43, 62, 35, 53, 56, 47, 46, 70, 25, 51, 48, 68