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Real number
01
实数, 真实数字
any number that can be found on the number line, including both positive and negative numbers, zero, and fractions
real number
n
例子
Every point on the number line corresponds to a real number.
The number 5 is a real number because it can be located on the number line.
In mathematics, the set of real numbers is often denoted by the symbol R.
Negative numbers, like -3, are also real numbers.
Real numbers can be used to measure continuous quantities, such as distance and time.
