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Proof1 彭凱揚
Author:
郭亮偉
GeoGebra
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兩位數除以一位數(二)
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
Discover Resources
海市蜃樓
長方體旋轉
正立方體展開
分数整体与部分为单位1的线段图示
球面坐標
Discover Topics
Optimization Problems
Unit Circle
Stochastic Process or Random Process
Sine
Pythagoras or Pythagorean Theorem