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正方形的视错觉
Author:
许业成
GeoGebra
New Resources
龙形曲线-分形龙2
撒针估算面积实验
第八周作业3
第八周作业
斐波那契螺旋弧线（表格法-可动态调节）
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橢圓規
已知橢圓 x^2/a^2+y^2/b^2=1 (a>b>0)
正立方體
廣義三角函數的換算
翰林數學_1下_CH5-1_次數分配與統計圖表
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Linear Equations
Trigonometry
Diagrams
Conic Sections
Quadratic Functions