GRE
The number of positive factors of 87
The number of positive factors of 97
$$x^{2}$$+$$y^{2}$$
1
$$x+y$$
$$\sqrt{(x^2+y^2)}$$
The radius of the circle
5.5
$$a^{c-d}$$
$$b^{d-c}$$
The thousands digit of $$\frac{n}{8}$$
7
x
210
The number of odd integers between $$\sqrt{12}$$ and $$12^{2}$$
70
3
$$\frac{1}{1+\frac{1}{x}}$$
$$\frac{x}{x+1}$$
25000 +道题目
196本备考书籍