更新1:
Solve for x?
500 = (300*1.3)^x ?
回答 (2)
2016-02-11 7:11 pm
✔ 最佳答案
500 = (300 * 1.3)^xlog(500) = log(300 * 1.3)^x
log(500) = x log(390)
x = log(500)/log(390)
x ≈ 1.04165
2016-02-11 7:15 pm
500 = 390^x
log 500 = x log 390
x = log 500 / log 390
x = 1•04
log 500 = x log 390
x = log 500 / log 390
x = 1•04
收錄日期: 2021-04-20 16:13:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160211110502AA4dbyP