GRE
The volume of a hemisphere (half of a sphere) that has radius $$k$$
The volume of a right circular cylinder that has height $$k$$ and whose base has radius $$k$$
n
4
$$k$$
$$m$$
p
The expected value of X
The expected value of Y
The standard deviation of $$x+1$$, $$y+1$$, and $$z+1$$
$$d+1$$
$$t+9$$
$$m+13$$
25000 +道题目
236本备考书籍