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CS-12-12
Author:
Jiezhe Wang
GeoGebra
New Resources
判斷球體
画直线等分三角形的面积
錐體建築師
四邊形的特性
球体的体积推导
Discover Resources
推移（x 方向）
「相似三角形」任务2
test
shaded region
四角柱(底面、高可調整)
Discover Topics
Natural Numbers
Triangles
Area
Sphere
Perimeter