GRE
d
s
x
$$x^{3}$$
$$(\frac{2^{3}}{3^{2}})^{4}$$
$$(\frac{2^{-3}}{3^{-2}})^{-4}$$
y
The area of circle C
π
In the xy -plane, the slope of the line containing the points (a, b) and (0, 2)
In the xy -plane, the slope of the line containing the points (a, b) and (2, 0)
n
1
The standard deviation of the 3 numbers x, x+1, and x+70
The standard deviation of the 3 numbers x+ 10, x+11, and x+80
The total price of n of the 8 books (n > 0)
($1.55)n
25000 +道题目
236本备考书籍