解答下列數學
回答 (3)
2012-10-25 12:30 am
(-15)－(18)÷〔(-18)－(+15)〕
=(-15)－18÷(-33)
=(-15)－(-6/11)
=(-15)＋(6/11)
=(-165/11)＋(6/11)
=-159/11
=(-15)－18÷(-33)
=(-15)－(-6/11)
=(-15)＋(6/11)
=(-165/11)＋(6/11)
=-159/11
參考: 自己
2012-10-24 3:25 am
(-15)-(18)÷〔(-18)-(+15)〕
=-(15+18)/(-18-15)
=-33/-33
=1
=-(15+18)/(-18-15)
=-33/-33
=1
收錄日期: 2021-04-16 15:09:45
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121023000051KK00432