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四下:三角形内角和(剪拼法)
Author:
钟秀群
,
yqzx0550
Topic:
Triangles
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數除以一位數(一)
兩組對邊相等的四邊形
三位數除以一位數(一)
【案例】圆柱体内放置一个大球六个小球
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範例
雙曲線尺規作圖01
Conic Sections
貝氏曲面
Triangle on sphere
Discover Topics
Planes
Function Graph
Rhombus
Straight Lines
Integers