GRE
The number of possible codes of this type
15
$$y$$
0
The median of the $$2n+1$$ measures of the interior angles of $$P$$ and $$Q$$
$$(\frac{n-1}{n+1})180°$$
The area of triangular region ABG
$$\frac{1}{4}$$ of the area of triangular region ACE
x
y
25000 +道题目
211本备考书籍