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test2
Author:
chengshihfeng
GeoGebra
New Resources
椭圆内切圆链
GeoGebra数学资源(4-8年级)
正方形雪花图案
第八周作业3
活动三:应用性质
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雙曲線
直線坐標標點
sghf
诱导公式五(90°+α)
三角函數 週期、振幅變化 課堂投影用
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LCM and GCD
Scalene Triangles
Cosine
Cylinder
Tree Diagrams