gre考试数学难题一直都是考生在gre考试中需要突破的关卡,那么为何gre考试数学难题会难倒很多考生呢?其实,如果gre考生平时多注意一些gre考试数学难题的积累,相信考试的时候也就不会束手无策了。
1. n 个数从小到大排列,求/4,设商为i,余数为j ,则可求得1st Quartile 为:/4+j/4
2. 4 个,2 个的排列方式 15
3 .5 双袜子,同时去2 只,刚好配对的概率。1/9
4. 40 人说French,60 人说Russian,80 人说Italy,说两种语言的有50 人,说三种语言的有 10 人.
共有125 人,问不说这些语言的有几人. Key:125-=15
5 .等腰直角三角形边长2 加2 倍根号2,求面积。
6. 某种溶液浓度为125gram per liter, 转换成 ounce per gallon, 求表达式. 已知 1ounce=28.xxx gram and 1 gallon=3.875 liter
7. x,y,z 均方差为d, 求x+10,y+10,z+10 的均方差
8. 1 的概率是0.8,2 的概率是0,6,问是1 或是2 或是both 的概率,1-0.60.8=0.92.
9. 还有一组测量数据中,12.1 比mean 低1.5 个标准差,17.5 比mean 高3.0 个标准方差.问mean是多少.13.9
10. 图表题,1992 年总和是50,96 年是60,每年至少增长1,问最大的年增长:7.0
以上就是gre考试数学难题部分内容,近期还会给大家分享一些gre考试数学难题。
上一篇: gre数学考试形式和题型全解
下一篇: gre考试数学难题汇总(7)
'Food will cost more' due to US drought
Fukushima caused 'mutant butterflies'
Armstrong back in the saddle after banning
Romney picks Paul Ryan for running mate
Do cyberwars really keep us from fighting?
Wealthy Chinese charter flights to watch Olympics
Archeologists may have found model for Mona Lisa
London apologizes for DPRK flag mix-up
Lawyers calling for reform of laojiao system
Major hacking syndicate cracked, police say
S. Korea's Lee apologizes for graft scandal
US mourns death of week-old panda
Accident raises concern over trucks
One little decision altered nation's diving history
2 dead, 19 injured in Toronto shooting
Beijing flood death toll hits 77
Organizers brace for social-media nightmares sure to come
'New law' focuses on work permits
New rules for blood donors, but concerns linger
Blackout hits more than 300 million in India
Five in court over sale of teen's kidney
Usain Bolt team: 'True Hero' trademark is a non-starter
Iran doctors struggle with quake injuries
Morsi says Cairo, Washington can be 'real friends'
UK stores try to get Chinese lovers in the mood
Arrests destroy criminal gang in market
New Jersey guy Christie has double-edged appeal
Fugitive suspect returns to China
King of the rings doesn't come easy
Panetta's Asia-Pacific trip aids strategic pivot