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GeoGebra
GeoGebra Classroom
GeoGebra
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curve 函數的示範
Author:
dunst kang
GeoGebra
New Resources
活动三：应用性质
撒针估算面积实验
盈利與虧蝕
斜率的值
第八周作业1
Discover Resources
正四角錐(旋轉，實體、透視)
moon
廣義三角：tan
尺規作圖2
古典概型