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未命名
Author:
horizon liu
GeoGebra
New Resources
第八周作业
多邊形的面積
球体的体积推导（优化版）
空间中两直线的位置关系
平行線的斜率
Discover Resources
孔明棋 (Peg Solitare)
GGB研習繪本
甜甜圈v5
乘法表的自动练习的副本
函數平移
Discover Topics
Straight Lines
Vectors 2D (Two-Dimensional)
Exponent
Dilation
Line Segment