Arithmetic sequence
01
等差数列, 算術数列
a sequence of numbers in which the difference between any two consecutive terms is constant
例
In the arithmetic sequence 2, 5, 8, 11, 14, ..., each term increases by 3, which is the common difference.
等差数列 2、5、8、11、14、...では、各項は3ずつ増加し、これが公差です。



























