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初等数学
維基百科,自由的 encyclopedia
初等数学(英語:Elementary mathematics),简称初数,是指通常在小学或中学阶段所教的数学内容,与高等数学相对。
历史
![](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)
从公元前5世纪到17世纪属于初等数学时期,高等数学的建立结束了初等数学时期。这个时期创立了系统的初等数学,包括算术、初等代数、平面几何、立体几何和三角学等内容。[1]
内容
- 2的算術平方根
- 3的算術平方根
- 比例
- 分配律
- 方程
- 加法單位元
- 交換律
- 结合律
- 等量公理
- 一元三次方程
- 一元二次方程
- 一次方程
- 不等
- 倒数
- 加法逆元
- 四次方程
- 因式分解
- 婆罗摩笈多-斐波那契恒等式
- 恒等式
- 線性關係
- 韦达定理
- 阿波羅尼奧斯圓
- 球面
- 圆
- 中線定理
- 互補角
- 原點
- 周长
- 圆柱体
- 圆锥
- 大圆线
- 平行
- 形狀
- 斯图尔特定理
- 欧几里得几何
- 点
- 直径
- 直线
- 线段
- 角
- 角平分線定理
- 镜
- 镜像 (几何)
- 長方體
- 黃金角
- 黄金分割
- 黄金分割点
- 黄金矩形