1.May always borrows books from and returns them to the library. If '+1 book ' represent that a boo is borrowed by May, what is the meaning of ' -23 book ' ?
2.Some watches are running a few minutes ahead or behind. If ' +5 minutes' represents that a watch is runnung 5 mintues ahead, what is the meaning of '-20 mintues'?
正負數中一問題(English)急!急!
2012-01-08 8:59 pm
回答 (2)
2012-01-08 11:15 pm
✔ 最佳答案
1.May always borrows books from and returns them to the library. If '+1 book ' represent that a boo is borrowed by May, what is the meaning of ' -23 book ' ?ANS: 23 books are returned to the library by May.
2.Some watches are running a few minutes ahead or behind. If ' +5 minutes' represents that a watch is runnung 5 mintues ahead, what is the meaning of '-20 mintues'?
ANS: The watch is running 20 minutes behind.
Hope the information can help you with the understanding of positive and negative signs' meaning:-)
參考: Myself
2012-01-08 9:16 pm
1.May always borrows books from and returns them to the library. If '+1 book ' represent that a boo is borrowed by May, what is the meaning of ' -23 book ' ?
A:23 books returned by May.
2.Some watches are running a few minutes ahead or behind. If ' +5 minutes' represents that a watch is runnung 5 mintues ahead, what is the meaning of '-20 mintues'?
A:A watch is running 20 mintues behind.
hope i can help u ^^
A:23 books returned by May.
2.Some watches are running a few minutes ahead or behind. If ' +5 minutes' represents that a watch is runnung 5 mintues ahead, what is the meaning of '-20 mintues'?
A:A watch is running 20 mintues behind.
hope i can help u ^^
參考: me
收錄日期: 2021-04-13 18:27:27
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https://hk.answers.yahoo.com/question/index?qid=20120108000051KK00363