GRE
The greatest possible number of members present if the two committees meet in a joint session
18
$$x^{2}+\frac{1}{x^{2}}$$
2
The average (arithmetic mean) of x, y and z
z
$$(n)^{-1}(n+1)^{-1}$$
$$(2n+1)^{-1}$$
x
$$\frac{5}{2}$$
25000 +道题目
236本备考书籍