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矩形周长一定时正方形面积最大
Author:
卢德洪
Topic:
Area
,
Perimeter
,
Rectangle
GeoGebra
New Resources
兩組對邊相等的四邊形
判斷球體
球體建築師
四邊形的特性
畫出對稱圖形
Discover Resources
繪製常數函數圖形
Rounding Quiz (Significant Figures) 有效數字：測驗
ghseh 二次函數描點法頂點法-2
ttttt
结果10以内加法
Discover Topics
Upper and Lower Sum or Riemann Sum
Sine
Standard Deviation
Correlation
Line Segment