### GRE考试105道数学常见易错难题总结

1. n个数从小到大排列，求(n-1)/4，设商为i，余数为j ,则可求得1st Quartile为：(第i+1个数)*(4-j)/4+(第i+2个数)*j/4 2. 4个*，2个·的排列方式 15(=) 3 .5双...

### GRE网络课堂学习笔记

2006-09-13 00:00:00

3. Questions 6-12A square parking lot has exactly eight lights-numbered 1 through 8-situated along its perimeter as diagramed below:　　　　...

### GRE网络课堂学习笔记

2006-09-13 00:00:00

2. Questions 12-19 A housing committee will consist of exactly five representatives, one of whom will be its chairperson. The representative...

### GRE网络课堂学习笔记

2006-09-13 00:00:00

5. Questions 20-24Prior to this year's annual promotion review, the staff of a law firm consisted of partners Harrison and Rafael, associate...

### GRE网络课堂学习笔记

2006-09-13 00:00:00

4. Questions 13-18 In a game, "words" (real or nonsensical) consist of any combination of at least four letters of the English alphabet. Any...

### GRE网络课堂学习笔记

2006-09-13 00:00:00

6. Questions 18-24The population of a small country is organized into five clans-N, O, P, S, and T. Each year exactly three of the five clan...

### GRE网络课堂逻辑笔记

2006-09-14 00:00:00

Passage 2An old painting portrays a seated jury of exactly six persons arranged in two parallel rows of three persons each. Each person in t...

### GRE网络课堂逻辑笔记

2006-09-14 00:00:00

Passage 1 Four women-G, H, I, and J-and four men-R, S, T, and U-are the eight people to be seated at a rectangular table. Three of the peopl...

### GRE网络课堂逻辑笔记

2006-09-14 00:00:00

Passage 4A person who is drawing up a will has exactly five potential heirs-S, T, U, V, and W. The estate will distribute exactly seven lots...

### GRE网络课堂逻辑笔记

2006-09-14 00:00:00

Passage 3In a certain target-shooting game, a team must shoot at seven targets. Exactly one shot is allowed for shooting at each target. The...

### GRE网络课堂逻辑笔记

2006-09-14 00:00:00

Passage 5Eight adjacent offices completely enclose a circular central courtyard. The offices are numbered consecutively, beginning at one of...

### GRE网络课堂逻辑笔记

2006-09-14 00:00:00

Passage 6Two male singers, P and S; two female singers, R and V; two male comedians, T and W; and two female comedians, Q and U, are the eig...

### GRE数学无忧大全:基本概念总结篇

2006-09-15 00:00:00

### GRE数学无忧大全:数学常用术语篇

2006-09-15 00:00:00

### GRE数学无忧大全:排列组合解答篇

2006-09-15 00:00:00

### GRE数学概率(Probability)考点讲解

2006-09-16 00:00:00

概率(Probability)：是指某一事件在相同的条件下可能发生也可能不发生，这类事件成为随机事件(random occurrence)。概率就是用来表示随机事件发生的可...