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BkD_act15_02c
Author:
Luk Sir
GeoGebra
New Resources
活动三：应用性质
撒针估算面积实验
第八周作业3
平行線的判定
折扣
Discover Resources
regular tetrahedron in a cube
locus wrt two pts on two indep. circle
君子球
ABC 3
不可能系列-滾球
Discover Topics
Cube
Coordinates
Triangles
Orthocenter
Curve Sketching