如何在九个点上画十条直线
问题描述:
如何在九个点上画十条直线
答
1___2___3 4_5_6 7___8___9 十条直线:123,456,789,148,159,247,258,269,357,368.
如何在九个点上画十条直线
1___2___3 4_5_6 7___8___9 十条直线:123,456,789,148,159,247,258,269,357,368.