解指數方程2^(2x+5) - 4^(x+1)=448
唔記得哂點計,點算>3<
麻煩哂....
收錄日期: 2021-04-13 18:09:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110810000051KK01107