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碗里放三个球
Author:
xu
Topic:
Geometry
,
Solids or 3D Shapes
,
Sphere
制作者：徐敏
GeoGebra
New Resources
画直线等分三角形的面积
拼砌四邊形
三位數除以一位數（二）
柱體建築師
兩位數除以一位數（一）
Discover Resources
題 7
Rotational Symmetry - Tetrahedron
橢圓軌跡
齒輪作圖
兩圓內外公切線
Discover Topics
Arithmetic Operations
Boxplot
Difference and Slope
Trigonometry
Sequences and Series