(log100y)^2 = / ≠ 4y^2 ?
(log100y)^2 = / ≠ log^2 100^2 y^2
收錄日期: 2021-04-13 19:27:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130503000051KK00031