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漫漫五环
Author:
贾坤(模型库)
GeoGebra
New Resources
活动三：应用性质
撒针估算面积实验
常见四边形是否是双心四边形
第八周作业1
科氏力 (Coriolis Force)
Discover Resources
Sequence指令練習(逐一套疊正方形)
硬币
直角三角形斜邊上的高小於斜邊的一半
两平面夹角
除法
Discover Topics
Isosceles Triangles
Area
Line Segment
Linear Programming or Linear Optimization
Limits