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变化的三角形的旁心.许兴华数学
Author:
许兴华数学
Topic:
Geometric Transformations
,
Triangles
GeoGebra
New Resources
算柱 (兩位數)
兩位數除以一位數（一）
四邉形 (四年級) 教師版
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
Math Project
圓周 (圖形D)
glt-h02-05-圓錐展開
q5-10
四年級
Discover Topics
Ellipse
Equilateral Triangles
Root
Differential Calculus
Function Graph