---
title: Cấp số cộng là gì? | Toán học
description: Tìm hiểu cấp số cộng, công sai và các tính chất cơ bản qua phần giải thích bằng tiếng Việt.
url: https://astra-ai.co/vi/videos/vi-topic-14/vi-chapter-18/cap-so-cong-la-gi/
locale: vi
type: video-lesson
keywords:
  - cấp số cộng
published: 2026-10-01T21:19:53.128Z
updated: 2026-10-01T21:19:53.128Z
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---

# Cấp số cộng là gì?

> Bài học giải thích khái niệm và đặc điểm của cấp số cộng.

## GIẢI THÍCH

Bài học trình bày khái niệm, công thức và đặc điểm của cấp số cộng bằng tiếng Việt.