单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,按下图方式摆放餐桌和椅子:,(1)1张餐桌可坐6人,2张餐桌可,人.,(,2,)按照上图的方式继续排列餐桌,完成下表:,桌子张数,3,4,5,6,可坐人数,4,+,4,+,4,+,2,4,+,4,+,4,+,4,+,2,4,+,4,+,4,+,4,+,4,+,2,4,+,4,+,4,+,4,+,4,+,4,+,2,4,+,4,+,2,(3)探索餐桌张数,n,与可坐人数,w,之间的关系.,w,=,4,n,+,2,(4)15张餐桌这样排,可坐多少人?,解,:,当,n,=,15,时,,w,=,4,15,+,2,=,62,若按下图方式将桌子拼在一起:,(1)2张桌子拼在一起可坐,人,3张桌子可坐,人,,n,张桌子可坐,人;,(,2,)一家餐厅有,40,张这样的长方形桌子,按照上图方式每,5,张拼成,1,张大桌子,则,40,张桌子可拼成,8,张大桌子,共可坐,人;,(3)在(2)中,若改成每8张桌子拼成1张大桌子,则共可坐,人.,2,2,+,4,2,n,+,4,112,100,2,3,+,4,