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2019.10.10
Author:
johnmayhk
GeoGebra
New Resources
近似值：有效數字
直角坐標平面上的旋轉變換
拼砌四邊形
三位數除以一位數（一）
sanjiaohanshu
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菱形
正弦公式證明 (Mr. KONG)
Book
螢橋國中 鄭毅華
圖5(動能分析)
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Prism
Frequency Distribution
Orthocenter
Division
Diagrams