p maths (sys. of linear eqts)
回答 (1)
2009-12-17 7:15 am
✔ 最佳答案
As follows:圖片參考：http://i.imagehost.org/0497/ScreenHunter_01_Dec_16_23_08.gif
圖片參考：http://i.imagehost.org/0645/ScreenHunter_02_Dec_16_23_08.gif
參考: Marking Scheme
收錄日期: 2021-04-23 20:41:48
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https://hk.answers.yahoo.com/question/index?qid=20091207000051KK01765