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任务10：黄金螺线与向日葵
Author:
陈丽婷
GeoGebra
New Resources
兩位數除以一位數（一）
畫出對稱圖形
三位數除以一位數（二）
錐體建築師
找出對稱軸
Discover Resources
橢圓
乘法1
椭圆的定义
不规则图形平移
長度和距離(毫米)
Discover Topics
Calculus
Statistical Characteristics
Optimization Problems
Trigonometry
Geometric Transformations