GRE
|x|
y
The area of triangular region XYZ
The area of triangular region KLM
The number of members in the club who are older than 24 years and right-handed
10
x+y
x-y
a
b
The area of a rectangular region that has a perimeter of 20 inches
20 square inches
$$x^{2}$$
The least possible value of $$\frac{3x-4}{y+7}$$
$$\frac{2}{5}$$
25000 +道题目
6本备考书籍