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waaachen
Author:
陳兪宏
廣義三角函數
GeoGebra
New Resources
兩位數除以一位數（一）
找出對稱軸
拼砌四邊形
兩位數除以一位數（二）
兩組對邊相等的四邊形
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畢氏定理
simulation of the uniform variable linear motion
圓周公式應用題1
選擇合適的「單位」
指数函数的副本
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Matrices
Incircle or Inscribed Circle
Sine
Sequences and Series
Random Experiments