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Book10-Unit7-平行四邊形與長方形
Author:
澎湖縣中正國小
GeoGebra
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兩組對邊相等的四邊形
異分母分數減法
球体的体积推导（优化版）
算柱 (兩位數)
畫出對稱圖形
Discover Resources
圖一
rectangular
複合圖形(七)
正三角形
Error (誤差)
Discover Topics
Similarity Transformation or Similarity
Square
Arithmetic Mean
Logic
Bar Chart or Bar Graph