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20170421_001
Author:
sinmei5
GeoGebra
New Resources
撒针估算面积实验
科赫雪花
活动三:应用性质
第八周作业1
常见四边形是否是双心四边形
Discover Resources
waaachen
拋物線(開口向上)
圖形周界_F
不規則多邊形塗色
三角形分形
Discover Topics
Addition
Upper and Lower Sum or Riemann Sum
Piecewise Functions
Histogram
Trigonometric Functions