In this paper, we study the chromatic and dichromatic sum functions of rooted general maps on the plane. The chromatic and dichromatic sum function equations of such maps are obtained.
本文研究了平面上一般带根地图的色和与双色和，得到了这类地图的色和与双色和函数方程。
In this paper, we study the chromatic and dichromatic sum functions of rooted general maps on the plane. The chromatic and dichromatic sum function equations of such maps are obtained.
本文研究了平面上一般带根地图的色和与双色和，得到了这类地图的色和与双色和函数方程。
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