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GeoGebra
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在釘點紙上畫垂直線
Author:
Ng KC
GeoGebra
New Resources
折扣
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
證平行四邊形 (對角相等)
Comparing fractions using number lines and rectangles
乘法
Trianglar prism
滾球平台
Discover Topics
Real Numbers
Right Triangles
Random Experiments
Area
Statistical Characteristics