1.The area of a school hall has increased by 23% after re-construction.What percentage of the previous area is the new area?
2.y is 二十五分之九of x.What percentage of x is y?
p.s.只要解釋,不要答案,thx
求以下2題英文o既意思,thx!
2007-07-29 2:49 am
回答 (1)
2007-07-29 11:45 am
✔ 最佳答案
1. 在重建之後, 學校禮堂的面積增加了23%. 請問舊的面積佔了新的面積多少百分比?2. y 是x的9/25. 請問x是y的多少百分比呢?
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