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Rodrigo's locker number has 3 different digits, the sum of which is 12. The sum of any two digits in the number is less than 10, and the digits are in decreasing order from left to right. What is Rodrigo's locker number?
543 显示答案
· 相关考点
1.1.2 凑整
以上解析由 考满分老师提供。
