有數不識做
2006-11-14 5:12 am
A is equal to 189, which is greater than B by 30. By what precentage is A greater than B?
回答 (3)
2006-11-14 5:39 am
✔ 最佳答案
B---> 189-30——— x 100 %
A---> 189
159
= ——— x 100 %
189
53
= ——— x 100 %
63
53
= ——— %
63
2006-11-15 3:41 am
〔(189 - 30)÷189〕100%
=(159÷189)100%
=53 over 63 %
=(159÷189)100%
=53 over 63 %
2006-11-14 5:15 am
30
=------x100%
159
=------x100%
159
收錄日期: 2021-04-23 15:56:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061113000051KK04320