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Drag the red dots, see the area ratio of EHFG to ABCD
Author:
johnmayhk
GeoGebra
New Resources
兩位數除以一位數（二）
四邉形 (四年級) 教師版
三位數除以一位數（一）
兩位數加法
柱體建築師
Discover Resources
Clock
內積
水波干涉
圓周率的應用 題4
抛物线定义
Discover Topics
Exponential Functions
Logarithmic Functions
Polynomial Functions
Frequency Distribution
Unit Circle