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直线的斜截式方程
Author:
卜扬帆
GeoGebra
New Resources
正方形雪花图案
科氏力 (Coriolis Force)
活动三：应用性质
撒针估算面积实验
比較五件物件的重量
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較複雜的周界問題(二)
p04 fixed distance from a line
旋轉方塊
二元一次方程式及其解的意義
走进图形世界
Discover Topics
Constructions
Perimeter
Volume
Triangles
Coordinates