一道小学奥数题目,大哥大姐帮我做做啊

从1到150含3的整数有多少个
2025-06-21 10:48:09
推荐回答(1个)
回答1:

3
13,23,33,43,53,63,73,83,93
30,31,32,34,35,36,37,38,39
103,113,123,133,143
131,132,134,135,136,137,138,139
一共32个。