2xy6的知识精选

方程2x+y=6的非负整数解有                            (  )   A.2个 ...
问题详情:方程2x+y=6的非负整数解有                            (  )   A.2个           B.3个           C.4个         D.5个【回答】C知识点:二元...
热门标签