GRE
The remainder when $$k^{2}$$ +n is divided by 2
The remainder when $$k^{n}$$ is divided by 2
The number of tenths equal to 1.4
The number of hundredths equal to 1.3
$$\frac{111}{1,111}$$
$$\frac{1,111}{11,111}$$
$$x+y$$
$$\sqrt{(x^2+y^2)}$$
r
t
$$a^{c-d}$$
$$b^{d-c}$$
x
2
3
The number of different prime factors of 12
The number of different prime factors of 9
$$\frac{1}{1+\frac{1}{x}}$$
$$\frac{x}{x+1}$$
25000 +道题目
198本备考书籍
