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勾股定理1
Author:
吉顺国
GeoGebra
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百分數及其應用
第三周作业效果演示
活动三:应用性质
折扣
第八周作业
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矩陣
點座標旋轉公式
操場
勒洛三角形任意點P軌跡
S3 Ex4.3 Q05(3D圖)
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Logic
Median Line
Tangent Line or Tangent
Linear Equations
Similar Triangles