log2=0.3010 log3=0.4771 log7=0.8451
a. log35=?
b. log[288^(1over 5)]
Maths-----log
2006-10-26 5:33 am
回答 (2)
2006-10-26 5:47 am
✔ 最佳答案
log 35 = log (10 * 7 / 2)
= log 10 + log 7 - log 2
= 1 + 0.8451 - 0.3010
= 1.5441
log (288^(1/5))
= (1/5) * log 288
= (1/5) * log (2^5 * 3^2)
= (1/5) * (5 * log 2 + 2 * log 3)
= 0.2 * ( 5 * 0.301 + 2 * 0.4771)
= 0.49184
2006-10-26 5:38 am
a=1.5441
b=1.7604(^係唔係乘?)
I hope I can help you
b=1.7604(^係唔係乘?)
I hope I can help you
收錄日期: 2021-04-13 00:01:31
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061025000051KK04351