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长方形的面积(巩固练习)
Author:
凌世超
GeoGebra
New Resources
撒针估算面积实验
科氏力 (Coriolis Force)
常见四边形是否是双心四边形
科赫雪花
圓的切線方程
Discover Resources
序列嵌套
三角形的心
原點對稱1
正圆锥展开图
正三角形在长方形边上移动加滚动
Discover Topics
Arithmetic Mean
Scalene Triangles
Fractions
Functions
Real Numbers