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Sum of angles in a triangle
作者：
Lau Chun Kin
主題：
角度
GeoGebra
最新資源
Volume by Disk/Washer around y
Reflection Across 2 Parallel Lines
apec
Nikmati Keunggulan Di Bandar Judi Terpercaya
Untitled
探索資源
anti-clock rotation about P
圓心角與圓周角的關係
coplanar and point and lines
Function sinus in 3D
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特殊點
Pythagoras or Pythagorean Theorem
橢圓
Plane Figures or Shapes
長方體