2014 DSE Maths Paper 1 Q5
2014-12-10 5:07 am
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回答 (2)
2014-12-10 5:24 am
✔ 最佳答案
5a)2(3m+n) = m+76m+2n = m+7
2n = 7 - 5m
n = 3.5 - 2.5m
b)If the value of m is increased by 2, then
New n
= 3.5 - 2.5(m+2)
= 3.5 - 2.5m - 5
= n - 5 , so n is decreased by 5.
2014-12-10 5:27 am
時間剛剛好.
我正好在查探大家的關係.
我正好在查探大家的關係.
收錄日期: 2021-04-21 22:28:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20141209000051KK00092