作者AmyNing (该有所行动了)
看板GRE_Verbal
标题[计量] 几题韩网机经想请教
时间Sat Aug 30 13:33:28 2008
1.There are rooms from 101 to 550 inclusive in which the starting rooms are
numbered from 1,2,3 and the waiting rooms are numbered from 4,5,6. What is
probability that the rooms 4,5,6 will be choosed randomly?
Ans:1/2
(这题看不太懂题目的意思，是算排列组合吗？)
2.One side of a triangle is given as 6 and the triangle is equilateral
triangle and another triangle is joined with it whose side is 10.
Col A: perimeter of polygon
Col B: 30
(Question is similar to this)
Ans:这题没有给答案？
3.The area of circle of radius 'r' is twice the area of triangle then h in
terms of r is?
Ans.h=πr^2 / 2a
(不知道哪来的a，题目中好像没有出现a啊？)
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 118.166.78.178
1F：推 david31408:550-100=450 6的倍数 所以3/6=1/2 220.136.81.201 08/30 13:48
2F：→ arcred:2,3跟本看不懂在问啥= = 218.168.74.43 08/30 14:07
3F：→ showhair:550-101+1，中间总共有450个rooms。 118.166.78.178 08/30 14:31
4F：推 bubbb:2是说一个等腰三角形一边是6 198.172.210.48 08/30 23:49
5F：→ bubbb:另一边有一个三角形边长10相连 198.172.210.48 08/30 23:49
6F：→ bubbb:问这个多边形周长长还是30长吧 198.172.210.48 08/30 23:50
7F：→ bubbb:我也不太清楚 猜的= = 198.172.210.48 08/31 00:00