{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','http://www.zhongkaobang.com/data/attach/logo/logo.png', '推荐 东郭先生 的问题《(6分) 如图①、图②、图③……是用围棋子摆成的一列具有一定规律的“山”字．(5)按图示的规律填空．图形标号①②③④……围棋子的数目(颗)7(6)第n个图形所对...》','http://www.zhongkaobang.com/q-505303.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
这道初中数学的题目是：
(6分) 如图①、图②、图③……是用围棋子摆成的一列具有一定规律的“山”字．  (5) 按图示的规律填空．
若某个图形中有围棋子142颗，它是第__________个图形． |
(1) 12，17，22
(2)
(3) 28
解：(1) 12，17，22···················································································· 3分
(2)
(3) 28·························································································· 6分
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