更新1:
7 x - 3 < 1 - x/3 x是不等式
7 x - 3 < 1 - x/3 x是不等式?
回答 (2)
2016-11-10 11:23 am
7 x - 3 < 1 - x/3
21x-9<3-x
22x<12
x<6/11
21x-9<3-x
22x<12
x<6/11
2016-10-30 4:22 pm
是
22/3x<4
22x<12
x<6/11
22/3x<4
22x<12
x<6/11
收錄日期: 2021-04-18 15:43:00
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161030074859AAYC9ST