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[Data Sufficiency]
试题详情
题目：
How many different prime numbers are factors of the positive integer n ?
(1) Four different prime numbers are factors of 2n.
(2) Four different prime numbers are factors of $${n}^{2}$$.
(1) Four different prime numbers are factors of 2n.
(2) Four different prime numbers are factors of $${n}^{2}$$.
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 statement 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:
B
提问：
老师好。这题的讲解能够听懂，但是题目是什么意思有点没搞懂，题目和选项是什么关系？1和2中的four different prime numbers 里面的4是从哪来的？
解答：
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阅读2404
提问：
老师好。这题的讲解能够听懂，但是题目是什么意思有点没搞懂，题目和选项是什么关系？1和2中的four different prime numbers 里面的4是从哪来的？
解答：
点赞0
阅读2405
提问：
@徐小梅，老师，请问这一题为什么1不充分呢？
解答：
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阅读2434
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