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Proof72 徐晏翎
Author:
郭亮偉
GeoGebra
New Resources
兩位數除以一位數（二）
找出對稱軸
錐體建築師
兩位數除以一位數（一）
兩組對邊相等的四邊形
Discover Resources
判斷錐體 2
先估算，後看解釋
線外一點
兩橢圓交集
橢圓的副本
Discover Topics
Scalene Triangles
Histogram
Trapezoid
Rational Numbers
Area