GRE
|a+b|
|a-b|
$$\frac{nx+py}{n+p}$$
$$\frac{x+y}{2}$$
RS
ST
The remainder when $$26n$$ is divided by $$4$$
$$2$$
$$x^{2}+1$$
$$x+\frac{7}{8}$$
r
12
v
6.4
$$\frac{\sqrt[3]{28}+\sqrt[3]{65}}{2}$$
3.5
25000 +道题目
269本备考书籍