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Author:
張雅菱
GeoGebra
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拼砌四邊形
算柱 (兩位數)
兩位數加法
三位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
geo123
ㄩㄢ
圓與切線
pic2-6一次函数的副本
Pyth. theorem
Discover Topics
Pie Chart or Circle Chart
Cuboid
Trapezoid
Linear Programming or Linear Optimization
Division