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线面g
Author:
何美华
Topic:
Solids or 3D Shapes
GeoGebra
New Resources
算柱 (兩位數)
兩位數加法
異分母分數減法
兩位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
正十二面體
三角形的面積
椭圆内光的反射作图步骤
三角函数线
拋物線代數性質,光學性質
Discover Topics
Rotation
Geometric Transformations
Calculus
Logic
Quadrilaterals