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GeoGebra
GeoGebra Classroom
GeoGebra
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未命名
Author:
德旺 孙
GeoGebra
New Resources
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
柱體建築師
算柱 (兩位數)
異分母分數減法
Discover Resources
雙橢
七彩勾股树
刘校安排（1）
以「時」和「分」報時 的複本
斐波那契螺旋弧线（表格法）
Discover Topics
Sequences and Series
Plane Figures or Shapes
Arithmetic Operations
Tree Diagrams
Arithmetic Mean