MQ24 --- Round Down to Integer
2012-06-23 8:01 pm
Difficulty: 45%Evaluate [log₇(462 + log₂[tan60°] + √9872)] which [x] is thelargest integernotless than x.
回答 (2)
2012-06-23 9:37 pm
✔ 最佳答案
[log₇(462 + log₂[tan60°] + √9872)] = [log₇(462 + log₂[1.732...] + 99.3579...)]
= [log₇(462 + log₂ 1 + 99.3579...)]
= [log₇(462 + 0 + 99.3579...)]
= [log₇ 561.3579...]
= 3 since 343 < 561.3579... < 2401
2012-06-24 11:29:57 補充：
Just need to know 99 < √9872 < 100.
2012-06-24 6:49 am
the largest integer not less than x?
not less than?
not less than?
收錄日期: 2021-04-13 18:46:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120623000051KK00213