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Author:
Chenwei Chen
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
畫出對稱圖形
兩位數除以一位數（二）
【案例】圆柱体内放置一个大球六个小球
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-(√3/2)³ ≤ sinα sinβ sinγ ≤ (√3/2)³
hjzx123456
百分數應用題：比較兩數大小
常见几个曲面
Copy of 劉徽的「割圓術」
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Means
Vectors 3D (Three-Dimensional)
Curve Sketching
Rotation
Isosceles Triangles