题目信息
The three-digit integer kss is the sum of the two-digit integers ks and rs, where k, r, and s are the digits of the integers. Which of the following must be true?
I. k = 2
II. r = 9
III. s = 5
I. k = 2
II. r = 9
III. s = 5
A:I only
B:II only
C:III only
D:I and II
E:II and III
参考答案及共享解析

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已选答案:
正确答案:
B:II only
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