a、b、c∈/R
x、y、z、w也∈/R
a^x=b^y=c^z=30^w
則a、b、c各別為多少?
收錄日期: 2021-05-02 11:02:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140101000010KK02808