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Author:
CIY
GeoGebra
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三位數除以一位數（二）
【案例】2018年全国1卷理科12题
畫出對稱圖形
判斷球體
直角坐標平面上的旋轉變換
Discover Resources
Volume of pyramid from triangular prism
perimeter
wiki
三角函数的副本
折正五邊形
Discover Topics
Solids or 3D Shapes
Conic Sections
Symmetry
Cone
Isosceles Triangles