天山7-21

FionaLiang

谢谢yaoyao99！！

yaoyao99

Haha, don't worry about it.  I do plenty of silly things myself.

FionaLiang

我都不好意思说了...

我竟然脑袋里死死的就在想10/3=3！！！！咬牙跺脚！！

真不好意思！！实在是麻烦各位了！！

我快灰溜溜的走了吧...

 

[此贴子已经被作者于2006-5-25 12:23:00编辑过]

yaoyao99

2. between the integer P and S这种说法，包括P和S在内吗？？或者说，m可以等于P及S吗？？

No, unless the "inclusive" is used.

3. 这题没说m也是integer，m可以不为整数吧？？

Yes.

从答案来看，这道题是把3和4都包括在内了.  You shouldn't pick anything <= 3 or >= 4!!

FionaLiang

以下是引用yaoyao99在2006-5-24 8:28:00的发言：
BTW, I just checked the math review (4. Real Numbers) in OG.  It says:

For any two numbers on the number line, the number to the left is less than the number to the right .... To say that the number n is between 1 and 4 on the number line means n > 1 and n < 4, that is 1 < n < 4.  If n is "between 1 and 4, inclusive," then 1 <= n <= 4.

Hope that clarifies some confusions!

从答案来看，这道题是把3和4都包括在内了，可是为什么这道题的题目中又不说inclusive了呀？？

真是奇怪！！！

bubblelife

记得好像费允杰说过，如果没有说not drawn to scale，那就可以按照图上显示来计算

不是迷信权威，但是我觉得这个题目只能按照3，4来推断，排除其他答案。

yaoyao99

BTW, I just checked the math review (4. Real Numbers) in OG.  It says:

For any two numbers on the number line, the number to the left is less than the number to the right .... To say that the number n is between 1 and 4 on the number line means n > 1 and n < 4, that is 1 < n < 4.  If n is "between 1 and 4, inclusive," then 1 <= n <= 4.

Hope that clarifies some confusions!

yaoyao99

Hmm.. if it says number line, I'd assume it's drawn to scale => p = 3 and s = 4.

FionaLiang

[attachimg]47272[/attachimg]

答案E，我选A（根号下17）

我有以下几个疑问：

1. 这个图倒是没说：not drawn to scale，那就可以放心大胆的由图判定S是4吗？？一定不会是5吗？？

2. between the integer P and S这种说法，包括P和S在内吗？？或者说，m可以等于P及S吗？？

3. 这题没说m也是integer，m可以不为整数吧？？

   

（我做的时候就是把P和S当成了2和6之间的任意两个整数，S大于P，且m不等于P或S，所以选了A）

  

请大家帮帮忙，谢谢！

[此贴子已经被作者于2006-5-25 12:25:04编辑过]