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内凹的正方形
Author:
宋晓燕
GeoGebra
New Resources
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
拼砌四邊形
球體建築師
錐體建築師
Discover Resources
畢氏定理的證明(三移動)
Copy of 小數的認識
平均線
cube(方块堆叠)
兩組對邊相等的四邊形
Discover Topics
Curve Sketching
Straight Lines
Bar Chart or Bar Graph
Geometric Mean
Parallelogram