GRE
Radius of a circle with circumference 4π
Diagonal of a square with side $$\sqrt{2}$$
20a+10
35b-5
$$(\frac{y}{x-y})-(\frac{x}{x-y})$$
$$(\frac{5}{3x-5})-(3\frac{x}{3x-5})$$
s-r
r-s
The mean of the data set above
The mode of the data set above
The area of the rectangle
The perimeter of the rectangle
65
The value of F when C=20
Number of distinct 3-digit numbers that can be formed using the digits 1, 2, and 3
Number of distinct 2-digit numbers that can be formed using the digits 1, 2, 3, 4, and 5
25000 +道题目
6本备考书籍