换底公式 select log(81)/log(3); +----------------+ | log(81)/log(3) | +----------------+ | 4 | +----------------+ 相关文章: 2022-01-11 2021-10-10 2022-01-12 2022-12-23 2021-04-22 2021-12-03 2021-10-22 2021-09-28