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Author:
Tsang Ka Chun
GeoGebra
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【案例】2018年全国1卷理科12题
三位數除以一位數(二)
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
三位數除以一位數(一)
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球差曲线
分數比較
相似形_Collection
百變糖果棒
雙曲線代數性質,光學性質
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Quadrilaterals
Pyramid
Pythagoras or Pythagorean Theorem
Tree Diagrams
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