3511+⼀_253g是多重?

3511+/_253g是多重?
2024-10-31 04:17:16
推荐回答(1个)
回答1:

  3511±253g是(6.516~7.528)斤;
  (3511-253)/500=6.516;
  (3511+253)/500=7.528