已知log2≒0.3010、log3≒0.4771,則log5約為多少?
回答 (1)
2016-01-05 11:53 am
✔ 最佳答案
log2≒0.30103log5=log(10/2)=log10-log2≒1-0.30103≒0.69897
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https://hk.answers.yahoo.com/question/index?qid=20160105034444AAeLFbI