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Proof1 彭凱揚
Author:
郭亮偉
GeoGebra
New Resources
球體建築師
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
近似值：有效數字
三位數除以一位數（一）
Discover Resources
超快國旗
圓點線
arithmetic operation
五上-CP4-第三节平行四边形面积1
圆锥曲线
Discover Topics
Bar Chart or Bar Graph
Optimization Problems
Multiplication
Interest Calculation
Linear Equations