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正弦型函数
Author:
lzp80
GeoGebra
New Resources
第八周作业
斐波那契螺旋弧线（表格法）
活动三：应用性质
异形操场
中华人民共和国国旗
Discover Resources
中學(初中)
amoeba
y=a*tan(b*x)
大小相同串珠
表内除法
Discover Topics
Matrices
General Quadrilateral
Parallelogram
Statistics
Cosine