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伊斯蘭窗花 0411
Author:
marylovesshinee
GeoGebra
New Resources
常见四边形是否是双心四边形
双心四边形
斐波那契螺旋弧线（表格法）
撒针估算面积实验
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
面積：從梯形到三角形 02
proof50 劉邦佑
转网页后文字排版变乱
正方形推垛
Cross Product for 2D Vectors (平面外積)
Discover Topics
Vectors 3D (Three-Dimensional)
Polygons
Probability
Line Segment
Rhombus