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三角形面積公式 1/2 bc sinA
Author:
羅驥韡 (Pegasus Roe)
Topic:
Area
GeoGebra
New Resources
畫出對稱圖形
四邊形的特性
美國國旗 (Codex 版)
幾何作圖題:切三圓(題目)
Earth with coastline
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Area of trapezoid
長方形與正方形的面積
螺線相似正N邊形
螺旋正方形
含有任意量词与存在量词的最值问题
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Square
Trapezoid
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