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6.反演律
Author:
杜耀宗
6.反演律
GeoGebra
New Resources
兩位數除以一位數（一）
兩位數加法
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
拼砌四邊形
Discover Resources
根據百分率找數量（二）: 例4
多邊形面積探究1
Angle between a Line and a Plane
密鋪4
數學解題2
Discover Topics
Arithmetic Mean
Trapezium
Symmetry
Geometric Transformations
Confidence Interval