GRE
The 60th percentile of the values in Q
The 70th percentile of the values in Q
n
16
The median of the first k even positive integers
The median of the first 2k+1 positive integers
$$x$$
$$90$$
The units digit of N
6
a-b
|a-b|
$$1+\frac{2}{k}+\frac{3}{k^2}$$
3
x+y
x-y
$$\frac{r}{r^2+1}$$
$$\frac{1}{r}$$
The number of integers in the set H ∩ F
The number of prime numbers from k to k+10
The number of prime numbers from k+10 to k+20
The area of the region between P and Q
The area of the region between Q and R
The area of a right triangle with hpotenuse of length $$c$$ and a leg of length $$a$$
The area of a right triangle with hpotenuse of length $$c$$ and a leg of length $$2a$$
25000 +道题目
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