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翰林數學_2下_CH4-2_平行四邊形性質
Author:
翰林數學
GeoGebra
New Resources
拼砌四邊形
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
美國國旗 (Claude 版)
Discover Resources
試證明：A=B+C
正多邊形收斂
乘法口诀
正四面體變菱形12面體
尺规作图得到黄金三角形和黄金矩形
Discover Topics
Curve Sketching
Incircle or Inscribed Circle
Linear Equations
Subtraction
Special Points