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waaachen
Author:
陳兪宏
waaachen
GeoGebra
New Resources
拼砌四邊形
錐體建築師
算柱 (兩位數)
四邊形的特性
三位數除以一位數（二）
Discover Resources
test
GeoGebra的認識與安裝
scalar multiplication
平方根
椭圆内光的反射作图步骤
Discover Topics
Combinatorics
Rational Numbers
Median Value
Difference and Slope
Bar Chart or Bar Graph