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餘弦定理
Author:
羅驥韡 (Pegasus Roe)
Topic:
Cosine
GeoGebra
New Resources
四邊形的特性
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
兩位數加法
【案例】2013年安徽高考15题
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直角三角形斜边上的中线
阿基米德雙胞胎圓
Quiz on Solving Right Triangles (Combined) 解直角三角形：合併測驗
兩函數間面積的副本
yuanmianjituidao
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Surface
Combinatorics
Quadrilaterals
Tree Diagrams
Histogram