等とう差さ数すう列れつ

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Meanings

1

arithmetic progression; arithmetic sequence

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

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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.