1. 9是15的百分之幾?
2. 12是30的百分之幾?
3. 105是140的百分之幾?
百分率的應用
2010-10-06 2:49 am
回答 (3)
2010-10-06 3:27 am
✔ 最佳答案
1.(9/15)x100%=68%
2.(12/30)x100%
=40%
3.(105/140)x100%
=75%
2010-10-06 3:27 am
1.60%
2.40%
3.75%
2.40%
3.75%
2010-10-06 3:15 am
(9/15)*100 %
=60%
(12/30)*100 %
=40%
(105/140)*100 %
=75%
=60%
(12/30)*100 %
=40%
(105/140)*100 %
=75%
收錄日期: 2021-04-13 17:34:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101005000051KK00860