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長方形
Author:
Yip Chi Wai
GeoGebra
New Resources
兩位數除以一位數（二）
兩組對邊相等的四邊形
畫出對稱圖形
找出對稱軸
GeoGebra笔记功能体验课件
Discover Resources
Quiz on Solving Quadratic Inequalities 解二次不等式：測驗
二次函數（第三階段）
等弦則等弦心距
三角形的三个旁切圆.许兴华数学
一次因式檢驗法(2020新版)
Discover Topics
Geometric Distribution
Frequency Distribution
Scalene Triangles
Upper and Lower Sum or Riemann Sum
Set Theory