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17個圓
Author:
蘇鈺婷
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
画直线等分三角形的面积
三位數除以一位數（二）
球体的体积推导
Discover Resources
數字組合
容積盒子(加蓋)
橢圓
小一
序列向量
Discover Topics
Congruence
Random Experiments
Distributions
Complex Numbers
Hypothesis Testing