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GeoGebra
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第三周作业效果演示
科赫雪花
斐波那契螺旋弧线（表格法-可动态调节）
撒针估算面积实验
平行線的判定
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尺規作圖乾淨版
Quiz on Solving Right Triangles (Finding Side Lengths) 解直角三角形：測驗1（求邊長）
扇形旋轉2
S6G2用随机法来估算圆周率Pi
加减法练习
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Parabola
Orthocenter
Square
Equations
Exponential Functions