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切割任意四邊形再拼砌成矩形
Author:
ho ting chit
GeoGebra
New Resources
兩位數加法
sanjiaohanshu
近似值：有效數字
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
Demonstration of the angles at the same segment
Archimedean spiral
圓內接四邊形--預習工作紙
線性規劃
可拖动A、B 改变形状
Discover Topics
Angles
Set Theory
Logic
Stochastic Process or Random Process
Geometry