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內外切圓性質
Author:
連琨銘
GeoGebra
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四邊形的特性
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
柱體建築師
兩位數除以一位數（一）
Discover Resources
標準分解式與方根化簡
橢圓
congruent (SSS) 5
反比例函数3456
二次函数y=ax²（a＞0)
Discover Topics
Definite Integral
General Quadrilateral
Random Experiments
Addition
Vectors 3D (Three-Dimensional)