2013 National Question 10 Single-choice Differentiating 2013_退役省自主命题 (2013·理) 10、用 $0,1, \ldots, 9$ 十个数字,可以组成有重复数字的三位数的个数为 A. 243B. 252C. 261D. 279 Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →