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正4正8黏合v2
Author:
Wu Xiao-Ren
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
兩位數加法
兩組對邊相等和有直角的四邊形
第八周作业
Discover Resources
combos ()
Rounding Quiz (Significant Figures) 有效數字：測驗
三圓相切
三角形的心
拋物線相似
Discover Topics
Planes
Continuity
Tangent Line or Tangent
Addition
Parametric Curves