GRE
$$3m$$
$$n^{2}$$
The number of integers in S that are multiples of 7, but not of 6
12
$$z$$
$$y+90$$
P
0
The area of triangular region ABG
$$\frac{1}{4}$$ of the area of triangular region ACE
$$t+9$$
$$m+13$$
25000 +道题目
247本备考书籍