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画正弦
Author:
李玲玲
GeoGebra
New Resources
錐體建築師
球體建築師
拼砌四邊形
球体的体积推导
三位數除以一位數（一）
Discover Resources
腳踏車
相同圖形的拼砌（三角形）
test
P6 圓周01D
贪吃蛇（第一版）
Discover Topics
Limits
Scatter Plot
Inequalities
Sine
Vectors 3D (Three-Dimensional)