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标题: math gwd6-13 [打印本页]

作者: diatomss 时间: 2005-6-1 06:51 标题: math gwd6-13

What is the remainder when the positive integer n is divided by 3?

(1) The remainder when n is divided by 2 is 1.

(2) The remainder when n + 1 is divided by 3 is 2.

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

怎么得出的B

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