问题描述： 用数字0.1.2.3.4组成不同的三位数能组成几个?（数字可以重复）请把具体的三位数写出来. 1个回答 分类：数学 2014-11-18 问题解答： 我来补答 100个100,101,102,103,104,110,111,112,113,114,120,121,122,123,124,130,131,132,133,134,140,141,142,143,144 200,201,202,203,204,210,211,212,213,214,220,221,222,223,224,230,231,232,233,234,240,241,242,243,244 300,301,302,303,304,310,311,312,313,314,320,321,322,323,324,330,331,332,333,334,340,341,342,343,344 400,401,402,403,404,410,411,412,413,414,420,421,422,423,424,430,431,432,433,434,440,441,442,443,444 展开全文阅读
