如何把100,110,120,130,140,150,160,170,180,130,160,170,270,280,300,310这16个数摆成横竖相加的和相等
问题描述：
如何把100,110,120,130,140,150,160,170,180,130,160,170,270,280,300,310这16个数摆成横竖相加的和相等
这是小学二年级数学“一节一练”上的题目，望各位帮忙解决！！！
答
300 180 110 130 (720)
160 120 170 270 (720)
160 280 130 150 (720)
100 140 310 170 (720)
(720)(720)(720)(720)