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Author:
Lin Ching Chieh
GeoGebra
New Resources
斐波那契螺旋弧线（表格法-可动态调节）
正方形雪花图案
双心四边形
折扣
第八周作业1
Discover Resources
落在區域內的星星
周界
圆柱截方
taiwan 2018
文創花燈
Discover Topics
LCM and GCD
General Quadrilateral
Upper and Lower Sum or Riemann Sum
Sequences and Series
Tangent Function