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齿轮咬合
Author:
GeoGebra Institute of WuXi
曲线指令的应用
GeoGebra
New Resources
画直线等分三角形的面积
三位數除以一位數（二）
四邉形 (四年級) 教師版
拼砌四邊形
三位數除以一位數（一）
Discover Resources
nozzle position_Alex
Relationships between chords and their distances from centre
相對位置的觀察
二元线性规划的图解法(习题5)
龜甲
Discover Topics
Triangles
Rational Numbers
Parabola
Logarithm
Geometric Transformations