呢條其實係點樣計? 洗唔洗分CASE, 請寫埋STEPS, 我其實唔係好清潔分CASE時候既符號, 即係幾時係"小於", 幾時係"小於加等於"
|3x-2|/(x-1) < 0
THX
收錄日期: 2021-04-21 13:13:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130310000051KK00106