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任务10：黄金螺线与向日葵
Author:
陈丽婷
GeoGebra
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【案例】2013年安徽高考15题
第八周作业
兩組對邊相等和有直角的四邊形
找出對稱軸
拼砌四邊形
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梯形(面積)
三角形内切圆
外心
数学几何
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Function Graph
Difference and Slope
Probability
Perimeter
Trigonometric Functions