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拋物線4--焦點法
Author:
26林佳玟1
GeoGebra
New Resources
第八周作业3
龙形曲线-分形龙
第八周作业
比較五件物件的重量
直線的斜率:水平變化 & 鉛垂變化
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齿轮咬合
(004)80201辛宇婕
我的第一个GGB绘本
Quiz on Addition and Subtraction of Directed Numbers (2)
江苏高考物理最后一题模拟
Discover Topics
Line Segment
Perimeter
Surface
Cosine
Triangles