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切割線性質
Author:
李春培
Topic:
Circle
GeoGebra
New Resources
算柱 (兩位數)
四邉形 (四年級) 教師版
三位數除以一位數(一)
第八周作业
兩位數除以一位數(二)
Discover Resources
工具箱
兩數相加
周界
z=sin(sqrt(x^2+y^2))
正方形纸片剪出正三角形(顶点在边上)
Discover Topics
Similarity Transformation or Similarity
Similar Triangles
Upper and Lower Sum or Riemann Sum
Random Variables
Calculus