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解三角形（１）
Author:
蔡永志
Topic:
Triangles
,
Trigonometry
解三角形
GeoGebra
New Resources
GeoGebra笔记功能体验课件
判斷球體
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
Discover Resources
Solution_to_a_System_of_Linear_Equations
Example 5
錯角練習
HW question locus 4
美丽的斯坦纳圆链
Discover Topics
Geometry
Variance
Inequalities
Cosine
Normal Distribution