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正弦型函数单参数变化
Author:
lzp80
GeoGebra
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第八周作业2
异形操场
平行線的判定
第八周作业3
活动三：应用性质
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優良作品1(沛綺)
斜率
S5 2D Trigonometry
放缩尺
我的第一个GGB绘本
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Linear Functions
Scalene Triangles
Parametric Curves
Circle
Triangles