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轨迹11
Author:
万超杰
GeoGebra
New Resources
異分母分數減法
兩組對邊相等和有直角的四邊形
錐體建築師
【案例】2018年全国1卷理科12题
判斷球體
Discover Resources
了解圓方程(2)
尺規作圖髒髒版
練習 - 逆時針旋轉（三角形）
畢氏定理學生(楊知樾)
加减乘除运输出题器
Discover Topics
Dilation
Straight Lines
Means
Median Value
Geometric Transformations