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waaachen
Author:
陳兪宏
waaachen
GeoGebra
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算柱 (兩位數)
近似值：有效數字
長方體平面投影 (Codex版)
兩組對邊相等的四邊形
找出對稱軸
Discover Resources
Angles associated with Parallel Lines 平行線上的角
一組物件的幾分之幾
兩點距離
滾動的圓
分數與小數的副本
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Volume
Division
Parametric Curves
Mathematics
Straight Lines