close
標題:

aa.jpg

 

此文章來自奇摩知識+如有不便請留言告知

數學方程式

發問:

One number is 18 greater than another number. If the samller number is subracted from three times the greater number , the result is 78. Find the sum oof two numbers.

最佳解答:

let the smaller number be x,then the greater number=x+18 3(x+18)-x=78 3x+54-x=78 2x+54=78 2x=24 x=12 sum of two numbers=12+(12+18) =42

其他解答:
arrow
arrow

    ceui4w8 發表在 痞客邦 留言(0) 人氣()