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area 面積2
Author:
katetang511
Topic:
Area
GeoGebra
New Resources
撒针估算面积实验
斐波那契螺旋弧线(表格法)
球体的截面
第八周作业1
比較五件物件的重量
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Symmetric設計對稱圖案(兩條對稱軸)
正弦定理
Untitled1
用交轨法求动点的轨迹方程图.许兴华数学
弹簧测力计
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Quadratic Functions
Histogram
Intersection
Diagrams
Fractions