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教學－與直線有關的角
Author:
Lau Sir
GeoGebra
New Resources
三位數除以一位數（一）
兩組對邊相等的四邊形
兩位數除以一位數（二）
第八周作业
拼砌四邊形
Discover Resources
Where is Micky?
試算表的很多正方形
Angle between line and plane
课前热身
Sequence指令作圖-3
Discover Topics
Cone
Polygons
Limits
Square
Scalene Triangles