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Author:
neilking
Topic:
Mathematics
New Resources
找出對稱軸
兩組對邊相等的四邊形
三位數除以一位數（一）
判斷球體
兩位數除以一位數（一）
Discover Resources
waaachen
畢氏樹
正5角錐
All in one (centres of triangle)
橢圓2-四圓心近似法
Discover Topics
Pyramid
Polygons
Planes
Right Triangles
Division