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圓與圓柱
Author:
紀老師
GeoGebra
New Resources
四邊形的特性
兩組對邊相等和有直角的四邊形
找出對稱軸
球體建築師
錐體建築師
Discover Resources
Billiard Ball
截痕
分數的認識
平行線 (同位角 - 4對)
滑杆的數字接力賽-平移旋轉三角形填滿四邊形(加邊框)
Discover Topics
Congruence
Median Line
Line Segment
Orthocenter
Means