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Escher 階梯 (Penrose Stair)
Author:
連琨銘
GeoGebra
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【案例】2018年全国1卷理科12题
球體建築師
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
異分母分數減法
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兩直線夾角101.11.21
小二、小三_時間（學生版）
螢橋國中80137陳英瀚
數論淺談: 整數解之奧秘
函數圖形的變換
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Logarithm
Expected Value
Subtraction
Geometric Distribution
Line Segment