GRE

Area of square I

Area of square II + area of square III

x+y

||$$\frac{1}{x+y}$$

AB

AC

90°

Measure of angle Q

x

y

The circumference of circle N

The circumference of circle M

$$\frac{x}{y}$$

$$\frac{y}{x}$$

25000 +道题目

6本备考书籍