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Author:
孟宝兴
GeoGebra
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【案例】2018年全国1卷理科12题
畫出對稱圖形
画直线等分三角形的面积
異分母分數減法
兩位數除以一位數（二）
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Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
公切線(配合Dilate指令)
與三個半圓相切的圓不規則區域著色全
...
正六邊形串珠
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Conditional Probability
Constructions
Geometry
Bar Chart or Bar Graph
Geometric Transformations