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平行四邊形與三角形
Autore:
李春培
Argomento:
Area
平行四邊形與三角形
GeoGebra
Nuove risorse
錐體建築師
兩位數加法
兩組對邊相等的四邊形
拼砌四邊形
兩組對邊相等和有直角的四邊形
Scopri le risorse
Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
翰林卷第10题
Copy of 正方體的反射對稱1
加法与乘法
小五_多邊形面積01
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