作者frostyfox (冰冷的双眼...)
看板GRE_Verbal
标题Re: [讨论] 三题数学请教!~
时间Thu May 24 19:18:41 2007
※ 引述《weibo (很好! 压力来罗!!!)》之铭言：
: 1. Which of the following fractions expressed in the form P/Q is most
: nearly approximated by the decimal. PQ, where p is the tenths'
: digit and Q is the hundredths' digit?
P/Q和0.PQ差距最小的是哪个
: Ans:8/9 (老实说我真的看不懂题目的意思?)
: 2. What is the maximum number of cubes with sides of a length that
: could fit inside a cube with sides of lengths 2s?
一个边长为2s的正方体最多能塞几个边长为___的正方体
这个题目少了一个长度
: Ans:64 (我个人觉得题目应该有地方有误吧?! length 2s means what?)
: 3. L: The greatest prime factor of 243
: R: The greatest prime factor of 180
243=3^5
180=2^2*3^2*5
答案应该是180这个不是吗?
: Ans: D(请告诉我答案错了 XD)
: Best Regards
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◆ From: 220.135.56.117
1F：推 weibo:第一题刚刚猛然才发现自己想太多~ 谢~~ 218.166.214.10 05/24 20:17
2F：推 faynman:我认为第三题答案应该是相等耶 因为他问的 192.192.90.211 05/24 20:18
3F：→ faynman:是最大质因数 192.192.90.211 05/24 20:19
4F：→ faynman:阿 我错了180最大质因数是5 192.192.90.211 05/24 20:20