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标题: 求助四舍五入GWD-2-Q4 [打印本页]

作者: uniqueness 时间: 2005-4-16 20:54 标题: 求助四舍五入GWD-2-Q4

Q4:

What is the hundreds digit of the integer z?

(1) 10z = 93,120

(2) z rounded to the nearest hundred is 9,300.

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.

哪位NN能把条件2翻译成中文，看不明白啊。而且也搜不到这条的讨论啊

作者: uniqueness 时间: 2005-4-16 21:02

条件1是不是Z的百位数是3，条件2的百位数是不是或者是3或者是2？所以不确定。答案为A?

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