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GeoGebra
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GeoGebra
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模拟时钟
Author:
陈力
Topic:
Rotation
GeoGebra
New Resources
第八周作业
算柱 (兩位數)
兩組對邊相等的四邊形
近似值：有效數字
Nested spiral octagon
Discover Resources
國中數學
happy new year
百分數（小學）：折扣 / 賺賠（HTML5 版）
Locus (Non parallel lines)
分數乘法
Discover Topics
Cylinder
Median Value
Boxplot
Power Functions
Parametric Curves