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hey hey 2
Author:
dunst kang
GeoGebra
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近似值：有效數字
Fibonacci Clock
算柱 (兩位數)
兩組對邊相等的四邊形
拼砌四邊形
Discover Resources
雙曲線的定義
橫向橢圓
周界和面積
Copy of 固定面積的圖形的周界變化
俄罗斯方块
Discover Topics
Random Experiments
Perimeter
LCM and GCD
Scatter Plot
Line Segment