Rational number
01
有理数, 有理分数
a number that can be written as a fraction, where both the top and bottom are whole numbers, and the bottom is not zero
例子
3/4 is a rational number because it can be written as a fraction of two integers.
3/4是一个有理数，因为它可以写成两个整数的分数。
The decimal 0.5 is a rational number because it can be converted to the fraction 1/2, with 1 and 2 being integers.
小数0.5是一个有理数，因为它可以转换为分数1/2，其中1和2是整数。
