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Sum of exterior angle of quadrilateral
作者：
Yoong Kheong
Sum of Exterior Angle of quadrilateral by Mr Ho
GeoGebra
最新資源
Billard V5.2 and V6
montecarlo circles 5
z`]]
兩位數的位值
GGB is Awesome!
探索資源
Regular n side Polygon Spiral
Maslow Pantograph
incircle
stretching triangles B
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