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圓的內接四邊形
Author:
曾己泉
用滑鼠移動圓形的點觀察角度的變化與角度和
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正方形雪花图案
龙形曲线-分形龙
第三周作业效果演示
斐波那契螺旋弧线(表格法)
折扣
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waaachen
GGB 基礎教學(平面幾何)
ex 4
三年級-分數
指数函数的副本
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Trapezoid
Intersection
Rational Numbers
Secant Line or Secant
Similarity Transformation or Similarity