GRE
The number of points at which the graph of $$y=f_{(x)}$$ intersects the x-axis in the xy-plane
3
The average (arithmetic mean) of the 4 numbers r, v, y, and z
The average (arithmetic mean) of the 5 numbers r, v, x, y, and z
The radius of the cylinder
5
$$C_{10}$$
$$5^{15}C_{25}$$
y-x
$$(x-y)^{2}$$
25000 +道题目
199本备考书籍