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圓方程式
Author:
arist
試著調整圖中的 a,b, r 來觀察圓的變化。
GeoGebra
為何圓方程式長成
那拋物線的方程式為何?
GeoGebra
New Resources
判斷球體
画直线等分三角形的面积
三位數除以一位數(一)
拼砌四邊形
畫出對稱圖形
Discover Resources
最小周長
任何三角形內角和180度(五上數翰4-2)
How to draw a hexagon with ruler and compasses?
Copy of 固定周界的長方形的面積變化
範例二
Discover Topics
Trapezoid
Sequences and Series
Square
Arithmetic Operations
Cosine