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Author:
Hui Sir
GeoGebra
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正方形雪花图案
斐波那契螺旋弧线(表格法-可动态调节)
平行線的判定
GeoGebra数学资源(4-8年级)
第八周作业1
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平行四邊形之變奏I
地球儀5
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
Ex.3
单晨制作水箱侧翻通用模型
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Linear Functions
Ratios
Cuboid
Cube
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