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正弦函数图像
Author:
李红
GeoGebra
New Resources
球体的体积推导
兩位數除以一位數（一）
拼砌四邊形
錐體建築師
三位數除以一位數（一）
Discover Resources
車輪
NCM(2nd)
Drag A or X
「相似三角形」任务3的副本
法線 (The Normal Line)
Discover Topics
Linear Equations
Vectors
Hyperbola
Frequency Distribution
Triangles