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Cavalieri's Principle
Author:
李玲玲
GeoGebra
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折扣
第八周作业3
三角函数 的副本
第八周作业
第八周作业1
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分數乘法2
中垂線
Shoplifting and theft histogram
求一數是另一數的幾分之幾？
長度和距離(毫米)
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Sine
Coordinates
Reflection
Volume
Angles