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waaachen
Author:
陳兪宏
吳孟哲老師幾何題
GeoGebra
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算柱 (兩位數)
四邊形的特性
球体的体积推导(优化版)
找出對稱軸
【案例】2013年安徽高考15题
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mario coin
圓與兩平行切線
test1
數學電腦繪圖與解題
二項分佈的副本
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Equilateral Triangles
Set Theory
Angles
Upper and Lower Sum or Riemann Sum
Linear Programming or Linear Optimization