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Q.1 9/3
Author:
Keung
GeoGebra
New Resources
撒针估算面积实验
比較五件物件的重量
第八周作业3
第八周作业1
球体的截面
Discover Resources
三角形與邊上一點求正三角形
觀察軌跡
優良作品2
軌跡二︰移動點與兩固定點保持相等距離(垂直平分線)
題八
Discover Topics
Line Segment
Vectors
Curve Sketching
Polygons
Parabola