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學習單：三角形內(外)角合
Author:
Tsai, Dung Jung
,
Tim Brzezinski
GeoGebra
GeoGebra
New Resources
兩位數除以一位數（二）
画直线等分三角形的面积
四邊形的特性
【案例】2018年全国1卷理科12题
第八周作业
Discover Resources
task4
車線.ggb
glt-h02-00-正方形折成三角錐
函數圖像變換
鏡射的副本
Discover Topics
Incircle or Inscribed Circle
Reflection
Sequences and Series
Quadratic Equations
Vectors