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Author:
hjyanghj
Topic:
Geometry
GeoGebra
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錐體建築師
兩位數加法
第八周作业
【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
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軌跡教學
霓虹燈
滑桿4
鉛筆畫圓
Uses of Trigonometry
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Integral Calculus
Plane Figures or Shapes
Median Line
Step Functions
Orthocenter