GRE
The range of the numbers $$x_1^{2}, x_2^{2}, x_3^{2}, x_4^{2}, and x_5^{2}$$
$$r^2$$
The number of odd integers in the first 400 terms of sequence S
The number of odd integers in the first 400 terms of sequence T
The least possible value of k
1
$$x^{-1}$$
$$y^{-1}$$
25000 +道题目
202本备考书籍