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Author:
ken cheng
GeoGebra
New Resources
三位數除以一位數(一)
拼砌四邊形
第八周作业
四邊形的特性
GeoGebra笔记功能体验课件
Discover Resources
我的作法
動態角=30
gjc093b19 梯形的面積
閱讀量杯內的水位線
纏繞畫1
Discover Topics
Square
Line Segment
Orthocenter
Geometric Mean
Step Functions