这道小学计算题怎么错了?

ProlificSQ-avatar

ProlificSQ

2020-08-02T05:45:02+00:00

每月用8吨,一年用480块钱,问谁多少钱一吨?

[img]https://img.nga.178.com/attachments/mon_202008/04/-7Q5-ij1xK1wT1kSf0-9q.jpg.medium.jpg[/img]