![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/31a_1_%25D0%2593%25D1%2580%25D0%25BE%25D0%25B7%25D0%25B8%25D0%25BD%25D1%2581%25D1%258C%25D0%25BA%25D0%25B0_%25D0%25B7%25D0%25B0%25D0%25B3%25D0%25B0%25D0%25BB%25D1%258C%25D0%25BD%25D0%25BE%25D0%25BE%25D1%2581%25D0%25B2%25D1%2596%25D1%2582%25D0%25BD%25D1%258F_%25D1%2588%25D0%25BA%25D0%25BE%25D0%25BB%25D0%25B0_%2528%25D0%2596%25D0%25B8%25D1%2582%25D0%25BE%25D0%25BC%25D0%25B8%25D1%2580%25D1%2581%25D1%258C%25D0%25BA%25D0%25B0_%25D0%25BE%25D0%25B1%25D0%25BB%25D0%25B0%25D1%2581%25D1%2582%25D1%258C%2529.jpg/640px-31a_1_%25D0%2593%25D1%2580%25D0%25BE%25D0%25B7%25D0%25B8%25D0%25BD%25D1%2581%25D1%258C%25D0%25BA%25D0%25B0_%25D0%25B7%25D0%25B0%25D0%25B3%25D0%25B0%25D0%25BB%25D1%258C%25D0%25BD%25D0%25BE%25D0%25BE%25D1%2581%25D0%25B2%25D1%2596%25D1%2582%25D0%25BD%25D1%258F_%25D1%2588%25D0%25BA%25D0%25BE%25D0%25BB%25D0%25B0_%2528%25D0%2596%25D0%25B8%25D1%2582%25D0%25BE%25D0%25BC%25D0%25B8%25D1%2580%25D1%2581%25D1%258C%25D0%25BA%25D0%25B0_%25D0%25BE%25D0%25B1%25D0%25BB%25D0%25B0%25D1%2581%25D1%2582%25D1%258C%2529.jpg&w=640&q=50)
初等數學
維基百科,自由的 encyclopedia
初等數學(英語:Elementary mathematics),簡稱初數,是指通常在小學或中學階段所教的數學內容,與高等數學相對。
歷史
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/31a_1_%D0%93%D1%80%D0%BE%D0%B7%D0%B8%D0%BD%D1%81%D1%8C%D0%BA%D0%B0_%D0%B7%D0%B0%D0%B3%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%BE%D1%81%D0%B2%D1%96%D1%82%D0%BD%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D0%B0_%28%D0%96%D0%B8%D1%82%D0%BE%D0%BC%D0%B8%D1%80%D1%81%D1%8C%D0%BA%D0%B0_%D0%BE%D0%B1%D0%BB%D0%B0%D1%81%D1%82%D1%8C%29.jpg/640px-31a_1_%D0%93%D1%80%D0%BE%D0%B7%D0%B8%D0%BD%D1%81%D1%8C%D0%BA%D0%B0_%D0%B7%D0%B0%D0%B3%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%BE%D1%81%D0%B2%D1%96%D1%82%D0%BD%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D0%B0_%28%D0%96%D0%B8%D1%82%D0%BE%D0%BC%D0%B8%D1%80%D1%81%D1%8C%D0%BA%D0%B0_%D0%BE%D0%B1%D0%BB%D0%B0%D1%81%D1%82%D1%8C%29.jpg)
從公元前5世紀到17世紀屬於初等數學時期,高等數學的建立結束了初等數學時期。這個時期創立了系統的初等數學,包括算術、初等代數、平面幾何、立體幾何和三角學等內容。[1]
內容
- 2的主平方根
- 3的主平方根
- 比例
- 分配律
- 方程式
- 加法單位元素
- 交換律
- 結合律
- 等量公理
- 一元三次方程式
- 一元二次方程式
- 一次方程式
- 不等
- 倒數
- 加法反元素
- 四次方程式
- 因式分解
- 婆羅摩笈多-斐波那契恆等式
- 恆等式
- 線性關係
- 韋達定理
- 阿波羅尼奧斯圓
- 球面
- 圓
- 中線定理
- 互補角
- 原點
- 周長
- 圓柱體
- 圓錐
- 大圓線
- 平行
- 形狀
- 斯圖爾特定理
- 歐幾里得幾何
- 點
- 直徑
- 直線
- 線段
- 角
- 角平分線定理
- 鏡
- 鏡像 (幾何)
- 長方體
- 黃金角
- 黃金分割
- 黃金分割點
- 黃金矩形