21千克比27千克少几分之几,35吨比25吨多几分之几
问题描述:
21千克比27千克少几分之几,35吨比25吨多几分之几
答
2/9
2/5
21千克比27千克少几分之几,35吨比25吨多几分之几
2/9
2/5