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3-6-09
Author:
Tzuen Hsu
GeoGebra
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兩位數除以一位數（一）
兩位數除以一位數（二）
三位數除以一位數（一）
找出對稱軸
三位數除以一位數（二）
Discover Resources
Erdos-Mordell 不等式
regular tetrahedron in a cube
六角形(草稿)
homework
拋物線5--包絡線法
Discover Topics
Interest Calculation
Normal Distribution
Right Triangles
Logarithmic Functions
Terms