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标题: GWD-9-26 [打印本页]

作者: xiayizhang 时间: 2008-11-30 19:24 标题: GWD-9-26

红色部分的问题感觉不知所云，哪位可以帮忙解释一下，谢谢

In the decimal representation of x, where 0 < x < 1, is the tenths digit if x nonzero?

(1) 16x is an integer.

(2) 8x is an integer.

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.

Answer:

作者: barmecider 时间: 2008-12-1 06:59

tenth digit表示小数点后的十位。就是说0.12345的tenth digit是1

作者: xiayizhang 时间: 2008-12-2 07:12

知道了，is the tenths digit if x nonzero的if 因该是of,题目错了.

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