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Author:
cathycat761031
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
四邊形的特性
【案例】圆柱体内放置一个大球六个小球
Discover Resources
Quiz on Scientific Notation
優良作品2(孟倫)
垂直線(方格版)
Copy of 和差角公式几何证明
橢圓1--同心圓法
Discover Topics
Arithmetic Operations
Expected Value
Vectors 3D (Three-Dimensional)
Geometric Mean
Mode