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[Data Sufficiency]
试题详情
题目：
If x and y are integers, is xy + 1 divisible by 3 ?
- When x is divided by 3, the remainder is 1.
- When y is divided by 9, the remainder is 8.
选项:
A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D、EACH statement ALONE is sufficient.
E、Statements (1) and (2) TOGETHER are NOT sufficient.
答案:
C
提问：
老师好，我不太明白课程讲解时为什么x,y可以都用相同变量K来表示
解答：
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阅读684
提问：
老师好，我不太明白课程讲解时为什么x,y可以都用相同变量K来表示
解答：
点赞0
阅读685
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