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優良作品2(怡婷)
Author:
Ching-Hui Chou
GeoGebra
New Resources
兩位數除以一位數（二）
算柱 (兩位數)
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
錐體建築師
Discover Resources
方塊六面
周界
橢圓軌跡02
基礎作圖1
虎牙直播
Discover Topics
Addition
Curve Sketching
Orthocenter
Quadratic Equations
Exponential Functions