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正四面體
Author:
明欣
正四面體
GeoGebra
New Resources
畫出對稱圖形
拼砌四邊形
【案例】2018年全国1卷理科12题
柱體建築師
三位數除以一位數（一）
Discover Resources
信心水準與信賴區間
Circle
莫雷角三分線定理
volume
earth
Discover Topics
Standard Deviation
Arithmetic
Quadrilaterals
Parametric Curves
Division