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勾股定理
Author:
王争
Topic:
Pythagoras or Pythagorean Theorem
GeoGebra
New Resources
画直线等分三角形的面积
圓周公式的應用
兩位數除以一位數（一）
球体的体积推导
垂直線的斜率
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雨刷中的數學
上傳檔案測試
ie 7
同心圓和線段-3(線段到最外圓有小圓)
二項分佈的副本
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Planes
Division
Linear Programming or Linear Optimization
Angles
Cylinder