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平行四邊形
Author:
涂老師
Topic:
Parallelogram
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
拼砌四邊形
三位數除以一位數（二）
兩位數加法
Discover Resources
Quartiles and Box Plot (two data sets) 四分位數與框線圖（比較兩組數據）
log functions
複利計算(1)
图案A
腾讯网
Discover Topics
Prism
Similarity Transformation or Similarity
Interest Calculation
Pie Chart or Circle Chart
Root