(中二数学)求列式，本人的学校没教 approximation and errors，所以不会做。?
2016-08-16 8:27 am
By using a stopwatch, Peter finds that the time taken for a colour printer to print 100 identical document is 7 minutes 5 seconds, and the relative error is 1/85. What is the possible range of time required to print 1 document ?
回答 (1)
2016-08-16 11:03 am
✔ 最佳答案
印100份文件所需秒數 = 7*60 + 5 = 425平均每份文件所需秒數 = 425/100 = 4.25
相對誤差的秒數 = 4.25/85 = 0.05
可能區間
= [ 4.25-0.05 , 4.25+0.05 ]
= [ 4.20 , 4.30 ]
Ans: [ 4.20 , 4.30 ] 秒
收錄日期: 2021-05-02 14:21:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160816002732AAO4QL7