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相同圖形的拼砌（梯形）
Author:
ho ting chit
Topic:
Trapezoid
GeoGebra
New Resources
双心四边形
直線的斜率
多邊形的面積
折扣
垂直線的斜率
Discover Resources
坐標幾何
二元一次聯立方程式
相似三角形
star1
弹簧的副本
Discover Topics
Arithmetic Operations
Normal Distribution
Triangles
Secant Line or Secant
Addition