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直角三角形的內心與相似
Author:
鍾文欽
GeoGebra
New Resources
柱體建築師
【案例】圆柱体内放置一个大球六个小球
第八周作业
兩組對邊相等的四邊形
兩位數加法
Discover Resources
vector addition and subtraction
Boxes
向量的伸縮
圓內接四邊形任務二
伸縮矩陣的副本
Discover Topics
Linear Functions
Optimization Problems
Pythagoras or Pythagorean Theorem
Symmetry
Circumcircle or Circumscribed Circle