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纏繞畫
Author:
洪源朗
GeoGebra
New Resources
第八周作业
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
兩位數除以一位數（一）
柱體建築師
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拋物線規
Statistics (M1)
對頂角_1
Learn01
基础知识
Discover Topics
Cuboid
Confidence Interval
Curve Sketching
Intersection
Multiplication