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标题: 有劳诸位指点一道数学… [打印本页]

作者: michaelwu64 时间: 2002-10-19 11:05 标题: 有劳诸位指点一道数学…

想破了头，还是搞不定！

15.Each of the following numbers has two digits blotted out. Which of the numbers could be the number of hours in x days, where x is an integer?
(A)25#,#06
(B)50#,#26
(C)56#,#02
(D)62#,#50
(E)65#,#20

【确认】E
还盼诸位指点！
[em01][em01][em01][em01][em01][em01]

作者: sandwolf 时间: 2002-10-19 11:09

从24的因子3和2^3想想看，别哭了，再哭就淹水了。

[em24][em24][em24][em24][em24][em24]

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