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Copy of 展開圓面積 (講義版)
Author:
怡亮 刘
,
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
直角坐標平面上的旋轉變換
畫出對稱圖形
小数 的副本
找出對稱軸
兩組對邊相等和有直角的四邊形
Discover Resources
第一冊
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
冰淇淋
分解角柱
乘法加工
Discover Topics
Reflection
Curve Sketching
LCM and GCD
Prism
Pythagoras or Pythagorean Theorem