GRE
$$\frac{BD}{AB}$$
$$\frac{DC}{BC}$$
The area of triangle PQR
The area of triangle PSR
$$x+y$$
$$\sqrt{(x^2+y^2)}$$
The angle opposite to the longest side of the triangle
90°
The degree of the largest angle in the triangle
84°
PS
RS
The area of S
64
Area of a rectangle with perimeter 20
Area of a triangle with base 5 and height 10
The total number of integers that are in set A or set B, or both
170
25000 +道题目
7本备考书籍