等とう差さ数すう列れつ

noun

arithmetic progression; arithmetic sequence

A mathematical sequence where the difference between consecutive terms is constant.

• 等とう差さ数すう列れつの一いっ般ぱん項こうを求もとめる公こう式しきを覚おぼえていますか。

  Do you remember the formula for finding the general term of an arithmetic progression?

• 1, 3, 5, 7, … は初しょ項こう1、公こう差さ2の等とう差さ数すう列れつです。

  1, 3, 5, 7, … is an arithmetic sequence with first term 1 and common difference 2.