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椭圆内光线的反射
Author:
GeoGebra Institute of WuXi
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椭圆内切圆链
异形操场
龙形曲线-分形龙2
斐波那契螺旋弧线(表格法-可动态调节)
第三周作业效果演示
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正八面體
GGB小組演示作業範例2
Congruent Triangles Demo
翰林B4講p189_8
乘法練習
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Mathematics
Volume
Similarity Transformation or Similarity
Trigonometric Functions
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