七折八扣，即售價是原價的百分之幾？
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2008-03-02 8:49 pm
回答 (6)
2008-03-02 9:30 pm
✔ 最佳答案
設物件為A$Ax70%x80%
Ax0.7x0.8
Ax0.56
0.56A
售價是原價的56%
2008-03-09 1:14 am
七折八扣 = 原價X70% X80%
70 [] 80
----X----
100 100
70 [] 80 [] 56
----X---- = ----
100 100 100
p.s. (如9折8扣) 9x8 =72 即售價是原價的72%
70 [] 80
----X----
100 100
70 [] 80 [] 56
----X---- = ----
100 100 100
p.s. (如9折8扣) 9x8 =72 即售價是原價的72%
參考: me
2008-03-02 9:29 pm
七折八扣＝70%x80%
=0.7x0.8
=0.56
＝56%
(五六折)
=0.7x0.8
=0.56
＝56%
(五六折)
2008-03-02 9:19 pm
七折(70%)八扣(80%)
70%x80%
=0.7x0.8
=0.56
=56%
70%x80%
=0.7x0.8
=0.56
=56%
2008-03-02 8:57 pm
七折(70%)八扣(80%)即是原價 70%x80%=56%
收錄日期: 2021-04-16 22:29:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080302000051KK01125