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向量求和动画演示
Author:
孟洪刚
GeoGebra
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【案例】2018年全国1卷理科12题
兩位數加法
異分母分數減法
画直线等分三角形的面积
拼砌四邊形
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用心包裝的禮物
練習
相似三角形
angle sum of triangle
上色練習
Discover Topics
Circumcircle or Circumscribed Circle
Prism
Triangles
Quadratic Functions
Standard Deviation