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Area of Trapezium
Author:
Alex CHIK
GeoGebra
New Resources
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
球體建築師
三位數除以一位數（一）
四邊形的特性
Discover Resources
圖例
sin(x) 的函數圖形
squence
Copy of 分數與小數
手拉手模型
Discover Topics
Hyperbola
Kite
Curve Sketching
Piecewise Functions
Plane Figures or Shapes