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任务10：黄金螺线与向日葵
Author:
陈丽婷
GeoGebra
New Resources
第三周作业效果演示
活动三：应用性质
第八周作业1
撒针估算面积实验
异形操场
Discover Resources
笛卡兒心臟線
perimeter
奈格爾點
-1/8 ≤ cosα cosβ cosγ ≤ 1
百度
Discover Topics
Plane Figures or Shapes
Means
Rotation
Exponential Functions
Geometry