25.將數(shù)字1,2,3,4,5,6,7,8,9按任意順序?qū)懗梢慌?,其中相鄰?個(gè)數(shù)字組成一個(gè)三位數(shù),共有七個(gè)三位數(shù),對這七個(gè)三位數(shù)求和,則數(shù)字1~9的每一種排列對應(yīng)一個(gè)和(如將數(shù)字1~9寫成1,3,4,2,7,5,8,9,6,可組成134,342,427,275,758,589,896這七個(gè)三位數(shù),它們的和是3421).所求得的和中,最大的數(shù)是
,最小的數(shù)是
.