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若隐若现的白点
Author:
宋晓燕
GeoGebra
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【案例】2018年全国1卷理科12题
找出對稱軸
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
兩位數加法
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線性規劃
三角形的心
Rotation
圓形
二元线性规划的图解法(18.2 例6)
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Pie Chart or Circle Chart
Equations
Continuity
Fractal Geometry
Curve Sketching