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斯坦納-雷米歐司(Steiner-Lehmus)定理推廣
Author:
連琨銘
GeoGebra
New Resources
三位數除以一位數（一）
兩位數加法
畫出對稱圖形
判斷球體
拼砌四邊形
Discover Resources
緯度、日照、影子長。
S5 Permutation and Combination
繡曲線
同心圓和線段-3(線段到最外圓有小圓)
立方體展開互動版v1.0
Discover Topics
Triangles
Statistical Characteristics
Integers
Sine
Distributions