(a) If Jade 's mother is now under 60 years of age, set up an algebraic inequality involving y.
(b) If Jade is younger than her mother by 28 years, find the value of y.
請詳細回答~!!
更新1:
可以用中文~
更新2:
可否解釋一下點解咁計法??
可以用中文~
可否解釋一下點解咁計法??
收錄日期: 2021-04-23 14:43:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070102000051KK03487