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geo123
Author:
hsu hung yang
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GeoGebra
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画直线等分三角形的面积
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
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test1
Prism and Cylinder 3
面鏡的反射
GGB5
椭圆的中点弦的轨迹.许兴华数学
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Mode
Geometric Mean
Equilateral Triangles
Perimeter
Multiplication