GRE
m + n
2m
$$(-1)^{n}(-1)^{n+2}$$
1
The 40th percentile of the distribution of the values of x
40.5
$$\sqrt{x}$$+$$\sqrt{y}$$
$$\sqrt{x+y}$$
$$x$$
$$4$$
$$(-1)^{f(4m+1)}$$
$$(-1)^{f(4m+2)}$$
The number of even integers between x and y
The number of odd integers between x and y
The remainder when $$k^{2}$$-k is divided by 2
0
The perimeter of ABCD
The sum of the lengths of diagonals AC and BD
25000 +道题目
199本备考书籍