GRE

x

y

$$\frac{x}{y}$$

$$\frac{y}{x}$$

The original price of a gaming system

The final price of the gaming system after a 20% price decrease then a 25% price increase

Average (arithmetic mean) of data set

Range of data set

25x

$$x^{5}$$

The probability of rolling an even number on a fair six-sided die twice in a row

The probability of flipping tails on a fair coin twice in a row

A Volume of a cube with side length x

Volume of rectangular solid with length x and width x

$$x^{y}$$

$$(|y|)^{2}$$

Average (arithmetic mean) of all integers from 35 to 55 inclusive

Average (arithmetic mean) of all integers from 25 to 65 inclusive

p+s

r+u

25000 +道题目

61本备考书籍