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Perimeter
Author:
Ting Chui Yee
,
Anthony OR 柯志明
,
Angela Yan
GeoGebra
New Resources
兩組對邊相等的四邊形
画直线等分三角形的面积
第八周作业
四邊形的特性
三位數除以一位數（一）
Discover Resources
linear function
Angle Sum in a Triangle
a Geogebra file created by the first pre-service teacher
平面幾何的思考
快看漫画
Discover Topics
Vectors 2D (Two-Dimensional)
Complex Numbers
Combinatorics
Cube
Right Triangles