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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
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三角函数 的副本
斜率的值
平行線的斜率
双心四边形
百分數及其應用
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車線.ggb
circle
江苏省职校数学网络资源
小六 圓周
江苏高考物理最后一题模拟
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Logic
Rectangle
Sequences and Series
Pyramid
Sine