GRE
$$3m$$
$$n^{2}$$
The area of triangular region ABG
$$\frac{1}{4}$$ of the area of triangular region ACE
$$z$$
$$2y$$
The standard deviation of the numbers in set S
The standard deviation of the numbers in set T
The number of copies of Magazine X that were sold last month at the subscription price
Twice the number of copies of Magazine X that were sold last month at the cover price
25000 +道题目
245本备考书籍