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Author:
Sylvie
GeoGebra
New Resources
龙形曲线-分形龙
异形操场
椭圆内切圆链
斐波那契螺旋弧线(表格法)
中华人民共和国国旗
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正三角形的旋轉
中國剪紙技術_蝴蝶花
圓周_心算題02
绘本1-平面直角坐标系复习
线性规划&不等式&可行域&目标函数
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Equations
Power Functions
Diagrams
Geometric Distribution
Calculus