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二次函数1
Author:
陈铁成
GeoGebra
New Resources
圓的切線方程
圓的基本性質
百分數及其應用
比較五件物件的重量
正方形雪花图案
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函數與反函數的導數關係
錐體建築師 4
(004)80201辛宇婕
垂心
弓形的滚动
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Straight Lines
Fractions
Trigonometry
Vectors
Isosceles Triangles