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任意四边形各边中点的连线必构成平行四边形.许兴华数学
Author:
许兴华数学
Topic:
General Quadrilateral
GeoGebra
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盈利與虧蝕
龙形曲线-分形龙
正方形雪花图案
第八周作业1
活动三:应用性质
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賺賠:例2
S6 3D Basic Concept
Copy of 固定周界的長方形的面積變化
Shoot Game
三角形的高
Discover Topics
Parallelogram
Constructions
Multiplication
Sequences and Series
Linear Regression