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平行四邊形與長方形的關係
Author:
fantast411
GeoGebra
New Resources
双心四边形
斐波那契螺旋弧线(表格法-可动态调节)
撒针估算面积实验
常见四边形是否是双心四边形
盈利與虧蝕
Discover Resources
旋轉三角形
真分數乘以真分數
數線_小數的認識
拋物線3-平行四邊形法
百度
Discover Topics
Linear Programming or Linear Optimization
Prism
Straight Lines
Optimization Problems
Linear Functions