1到10个数字5个数字一组共有几组

简介：In a quiet house in the south of the capital city, a handsome scholar with a three-strand beard and a gray shirt was frowning, silently thinking about something. The tea in his hand had already cooled down, but he didn't notice at all. , the table in front of him was covered with paper, ink and inkstone. As if he wanted to write something, the scribe picked up the pen several times, but put it down several times.