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相同圖形的拼砌（梯形）
Author:
ho ting chit
Topic:
Trapezoid
GeoGebra
New Resources
找出對稱軸
画直线等分三角形的面积
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
Discover Resources
四角錐體的截面
Reflectional symmetry of Triangular prism
mooc第五讲作业单晨制作
認識菱形的特徵
sin(x) 的函數圖形 的複本
Discover Topics
Confidence Interval
Geometric Transformations
Line Segment
Bar Chart or Bar Graph
Logarithm