GRE
$$\frac{3^{50}}{4^{50}}$$
$$\frac{6^{25}}{8^{25}}$$
q
0
The range of the integers in S
2n
The remainder when n is divided by 6
2
xy
300
$$x^{5}$$
$$x^{7}$$
k-m
-15
x+y+z
360
25000 +道题目
236本备考书籍