等差-等

等差

dengˇ cha ˉ

Equal difference | Equal steps

等差 | 等差

等差數列

dengˇ chaˋ shuˋ lieˋ

Arithmetic progression | Arithmetic sequence | A sequence of numbers where the difference between adjacent numbers is constant

等差 | 差數 | 數列 | 數列

等差級數

dengˇ cha ˉ jiˊ shuˋ

An arithmetic progression | Arithmetic progression | Arithmetic progressions

等差 | 等差 | 級 | 數