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複合圖形體積(三角形與四邊形結合)
Author:
澎湖縣中正國小
GeoGebra
New Resources
錐體建築師
畫出對稱圖形
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
兩位數加法
Discover Resources
斜線圖 for x5
Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
Congruent Triangles
勾股定理：射影无字证明
活工(三)Q2
Discover Topics
Equations
Probability
Translation
Parametric Curves
Logarithm