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S4E07转盘记录模拟
Author:
宋晓燕
GeoGebra
New Resources
龙形曲线-分形龙
斐波那契螺旋弧线（表格法）
异形操场
双心四边形
第八周作业3
Discover Resources
三角函數
circle
螢橋國中 黃奕辰
高尔顿钉板实验
翰林數學_2下_CH3-1_三角形的內角和
Discover Topics
Parallelogram
Right Triangles
Triangles
Curve Sketching
Optimization Problems