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四個直角三角形拼砌菱形
Author:
周錦鋒
GeoGebra
New Resources
异形操场
比較五件物件的重量
常见四边形是否是双心四边形
第八周作业1
正方形雪花图案
Discover Resources
sum of interior angle
黎曼和
三角形
拋物線3-平行四邊形法
三個正圓柱體交集體積(數資)
Discover Topics
Algebra
Reflection
Solids or 3D Shapes
Curve Sketching
Linear Programming or Linear Optimization