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Author:
chen mingchuan
GeoGebra
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【案例】2018年全国1卷理科12题
三位數除以一位數（一）
異分母分數減法
拼砌四邊形
直角坐標平面上的旋轉變換
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範例：畫圈圈的筆
分數與小數
二次函數「一般式」平移(進階)
test1
保持2:3:4
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Congruence
Tangent Function
Histogram
Surface
Logic