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劉虹圻 內心
Author:
呂麗珠
GeoGebra
New Resources
球體建築師
判斷球體
第八周作业
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
豆奶
三角形全等的理由 – 題4
quadrilaterals 3
pentagon
表示數線上的位置
Discover Topics
Symmetry
Tree Diagrams
Matrices
Pythagoras or Pythagorean Theorem
Congruence