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正弦定理2
Author:
杨欣霞
GeoGebra
New Resources
比較五件物件的重量
正方形雪花图案
GeoGebra数学资源(4-8年级)
异形操场
科赫雪花
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頂點法
大小相同串珠
If指令的應用1
分數約分
加减法练习
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Fractions
Binomial Distribution
Rectangle
Similar Triangles
Algebra