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平行四邊形與菱形的分別
Author:
s1002978
GeoGebra
New Resources
三位數除以一位數(一)
兩組對邊相等和有直角的四邊形
三位數除以一位數(二)
拼砌四邊形
異分母分數減法
Discover Resources
阿基米德螺線
mooc第四讲椭圆反射
橢圓代數性質,光學性質,生活應用
橢圓的副本
正方形纸片剪出正三角形(顶点在边上)
Discover Topics
Continuity
Cuboid
Logarithmic Functions
Vectors 3D (Three-Dimensional)
Natural Numbers