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改变单位圆 (3 May 2018)
Author:
lzp80
GeoGebra
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活动三：应用性质
常见四边形是否是双心四边形
第八周作业3
直線的斜率：水平變化 & 鉛垂變化
龙形曲线-分形龙2
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判斷柱體11
相切的三圓
切線性質A
二次涵数的图象y=ax^2+b的副本
杨辉三角
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Cone
Prism
Integral Calculus
Coordinates
Vectors