GRE
$$\frac{2y+3}{x}$$
$$\frac{a}{x}$$
x+y+z+u+v+w
360
The median of the $$2n+1$$ measures of the interior angles of $$P$$ and $$Q$$
($$\frac{n-1}{n+1})180°$$
The y-intercept of line m
The y-intercept of line l
The standard deviation of $$x+1$$, $$y+1$$, and $$z+1$$
$$d+1$$
The area of the shaded triangular region
The sum of the areas of the two unshaded triangular regions
25000 +道题目
202本备考书籍