一桶汽油连桶重150千克，用去汽油的一半，连桶一起称还剩80千克，桶里原来有汽油多少千克？

发布网友发布时间：2023-07-22 03:00

共4个回答

热心网友时间：2023-09-12 01:19

一半减少了150-80=70千克
所以原来有汽油70÷1/2=140千克

热心网友时间：2023-09-12 01:19

（150-80)*2=140kg

热心网友时间：2023-09-12 01:20

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热心网友时间：2023-09-12 01:21

（150-80）*2