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2014希望盃九年級初試第九題
Author:
連琨銘
GeoGebra
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近似值：有效數字
【案例】2018年全国1卷理科12题
畫出對稱圖形
兩位數除以一位數（一）
兩位數除以一位數（二）
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Polygonal numbers
正弦公式證明 (Mr. KONG)
畢氏定理動畫
Text in Spreedsheet
RLC串聯諧振
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Right Triangles
Geometric Transformations
Logarithm
Complex Numbers
General Quadrilateral