In three consecutive numbers,the smallest number is 19/20 of the largest
one,find the middle number.
請寫下答案，列式及題解
中一數學問題.....10分
2008-03-24 12:38 am
回答 (2)
2008-03-24 12:46 am
✔ 最佳答案
let x be the smallest number,x+1 be the middle number
and x+2 be the largest number.
x/(x+2)=19/20
20x=19x+38
x=38
therefore the middle number is x+1=39
2008-03-24 12:43 am
題解 :在三相鄰數，最小的數字是19/20最大一個，看到中間數字
答案:19.5
答案:19.5
收錄日期: 2021-04-13 15:20:09
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