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第10题
Author:
zhuguokang
GeoGebra
New Resources
四邊形的特性
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
第八周作业
三位數除以一位數（二）
Discover Resources
拋物線
Apollonius Problem poncelet fouche
繪製平行四邊形
∠APB ≥ 30°
販賣部草圖
Discover Topics
Similar Triangles
Solids or 3D Shapes
Matrices
Interest Calculation
Trigonometric Functions