x和3x-4一定互質嗎？(x為奇數)?
回答 (1)
2019-07-15 10:31 am
Sol
(x，3x－4)
=(x，2x－4)
=(x，x－4)
=(x，－4)
=(x，4)
=1
是
(x，3x－4)
=(x，2x－4)
=(x，x－4)
=(x，－4)
=(x，4)
=1
是
收錄日期: 2021-04-30 22:52:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20190715022219AAavKlO