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串珠(大小不同)
Author:
施奕瑄
GeoGebra
New Resources
近似值：有效數字
算柱 (兩位數)
拼砌四邊形
sanjiaohanshu
長方體平面投影 (Codex版)
Discover Resources
釘點紙畫三角形
畢氏定理動態證明(歐基里得，平形四邊形等面積，應用polyline)
蝴蝶定理證明2：綜合法
Tusi Couple
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
Discover Topics
Scalene Triangles
Interest Calculation
Constructions
Ratios
Scatter Plot