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GeoGebra
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Author:
Lin Ching Chieh
GeoGebra
New Resources
小数 的副本
美國國旗 (Claude 版)
Fibonacci Clock
兩組對邊相等的四邊形
Nested spiral octagon
Discover Resources
單項奇函數
Tangent properties
圓心角
随机模拟实验（撒豆子估算π）的副本
雙曲線1-交點法
Discover Topics
Angles
Right Triangles
Bar Chart or Bar Graph
Reflection
Parallelogram