AMC 8 1997 Problem 5
AMC8 1997 年第 5 题
整除与因数★★☆☆☆
There are many two-digit multiples of 7, but only two of the multiples have a digit sum of 10. The sum of these two multiples of 7 is
7 的两位数倍数有很多，但其中只有两个倍数的各位数字之和为 10。这两个 7 的倍数之和是
- A.119
- B.126
- C.140
- D.175
- E.189
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
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