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相同圖形的拼砌（三角形）
Author:
ho ting chit
Topic:
Triangles
GeoGebra
New Resources
兩組對邊相等的四邊形
畫出對稱圖形
判斷球體
柱體建築師
画直线等分三角形的面积
Discover Resources
整數÷整數_工作紙（一）_題6
四下_面積（一）(學生版)
Ex (RHS)
向量分解的副本
弹簧测力计
Discover Topics
Curve Sketching
Cuboid
Tree Diagrams
Perimeter
Probability