GRE
The least possible value of the product xy, where x and y are integers satisfying the inequalities
-40
wy
xz
$$\frac{qs}{r}$$
r-$$\frac{1}{r}$$
The number of odd integers between $$\sqrt{12}$$ and $$12^{2}$$
70
The number of the odd integers that are perfect square
The number of the even integers that are perfect square
$$(x^{-1})^{-3}$$
$$x^{-4}$$
$$(-7)^{52}$$
$$(-7)^{81}$$
25000 +道题目
198本备考书籍