数学题:用0,1,2,3,4能组成多少不重复的三位数字,偶数有多少个?

问题描述:

数学题:用0,1,2,3,4能组成多少不重复的三位数字,偶数有多少个?

102103104120123124130132134140142143201203204210213214230231234240241243301302304310312314320321324340341342401402403410412413420421423430...