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Author:
kaho_chee
GeoGebra
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比較五件物件的重量
异形操场
球体的截面
第三周作业效果演示
平行線的判定
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HKMO 2013 Question 3 Demonstration (Geometric Construction)
進階一
Question 8
比較角的大小三
圓周公式應用題1的副本
Discover Topics
Circle
Line Segment
Pie Chart or Circle Chart
Combinatorics
Tree Diagrams