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Author:
carmenbobo
,
Anthony OR 柯志明
,
pingfeng.wu
GeoGebra
GeoGebra
New Resources
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
画直线等分三角形的面积
第八周作业
Discover Resources
大邊對大角
鉛筆畫圓
三角四星
作業一
碎形六邊形的副本
Discover Topics
Trigonometry
Limits
Statistics
Arithmetic Mean
Parallelogram