GRE
$$p+st$$
$$s(p+t)$$
$$x^{2}$$+$$y^{2}$$
$$1$$
The radius of circle C
4
PS
RS
The standard deviation of the numbers in list A
The standard deviation of the numbers in list B
The standard deviation of List M
The standard deviation of List N
The area of sector ABD
The area of triangle ABC
$$x$$
$$210$$
The least possible total number of patients that Dr. Bradley treated on the 5 working days last week
110
The least possible value of the product $$xy$$, where $$x$$ and $$y$$ are integers satisfying the inequalities
$$-40$$
25000 +道题目
236本备考书籍