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平面鏡成像 Image of Plane Mirror Reflection
Author:
W.L. Wong, Albert
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
画直线等分三角形的面积
四邉形 (四年級) 教師版
Discover Resources
圓錐節痕
彈跳球
環環相扣
奠基1
仿真时钟2.0
Discover Topics
Congruence
Limits
Square
Normal Distribution
Similar Triangles