超市货架上单筒薯片买8.5,双筒一起买19.5。这是什么操作

MannyPistachio-avatar

MannyPistachio

2020-10-11T14:58:56+00:00

数学不好的老哥活该被宰吗??

真是神操作。
[img]https://img.nga.178.com/attachments/mon_202010/17/-7Q5-7y9oZ1dT3cSzj-oy.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202010/17/-7Q5-852aZ1oT3cSzk-on.jpg.medium.jpg[/img]