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trigonometry1
Author:
jarypig1983
GeoGebra
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【案例】2018年全国1卷理科12题
畫出對稱圖形
判斷球體
画直线等分三角形的面积
算柱 (兩位數)
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挑战中考压轴题
高美溼地
How to draw a triangle with ruler and compasses?
将根号数进行迭代（毕氏螺线）
半圆的滚动
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Linear Functions
Continuity
Geometric Transformations
Secant Line or Secant
Poisson Distribution