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p11-11
Author:
johnmayhk
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
第八周作业
錐體建築師
異分母分數減法
Discover Resources
分段移動
semicircle
不規則圖形的周界(雙L)
錯角---不平行綫
橢圓的副本
Discover Topics
Function Graph
Numbers
Parametric Curves
Trigonometric Functions
Straight Lines