(2) log8 / log 2
更新1:
NO NEED TO DO QUESTION 2, BECAUSE I DID IT.
F.4 MATHS
回答 (1)
2012-03-28 9:25 pm
✔ 最佳答案
3 log 5 + log (2/75) + log 3 = 3 log 5 + log 2 - log 75 + log 3= 3 log 5 + log 2 - log (5 x 5 x 3) + log 3
= 3 log 5 + log 2 - 2 log 5 - log 3 + log 3
= log 5 + log 2
= log (5 x 2) = log 10 = 1.
收錄日期: 2021-04-25 22:39:24
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