GRE
The probability that (k)(k+1)(k+2)(k+3) (k+4) is divisible by 20
1
The percent of the people surveyed who gave "greater independence" or "paperless statements" or both as reasons
80%
The arithmetic mean of the integers in the set
20
$$3b$$
$$c+9$$
The ratio of the area of triangle ECD to the area of quadrilateral ABCE
$$\frac{1}{8}$$
The area of the enclosed region
1,100
The total area of the enclosed region ABCDE
36
N
48
$$Q_{11}$$
$$(3^{17})Q_{28}$$
|x+y|
-|-x-y|
25000 +道题目
6本备考书籍