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標題: F.2 Maths "Inequalities"(請列式) [打印本頁]

作者: johnleung_0716    時間: 1-4-2012 04:13
標題: F.2 Maths "Inequalities"(請列式)
6. The difference between two integers is 5, and their sum is less than 49. Find the largest value of the smaller integer.
作者: 火中有火    時間: 3-4-2012 18:21
Let a<b

b-a=5
a+b<49

寫好條式之後其實冇難度
自己試下先啦
作者: johnleung_0716    時間: 3-4-2012 18:35
Let a
火中有火 發表於 3-4-2012 18:21

問左老師了 thx~
作者: Kelvinso    時間: 21-12-2013 20:51
y+(y+5) ㄑ 49
2y          ㄑ44
y            ㄑ22
so,largest number is 21




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