一條香蕉原價$100.8，我見到寫住用現金會有特價九折，咁我就用現金$100去買，會找番幾多錢?
回答 (10)
2008-01-11 1:38 am
✔ 最佳答案
原價$100.8香蕉九折後賣:$100.8X90%
=$90.72
付$100找番:
$100-$90.72
=$9.18
2008-01-10 4:50 am
現售:100.8x90%
=$90.72
找回:100-90.72
=$9.28
但現時已沒有面值仙的單位用了
所以$9.3
我想收錢人也不會在意那$0.02
=$90.72
找回:100-90.72
=$9.28
但現時已沒有面值仙的單位用了
所以$9.3
我想收錢人也不會在意那$0.02
參考: My Maths knowledge
2008-01-09 8:29 am
一條香蕉原價$100.8，我見到寫住用現金會有特價九折，咁我就用現金$100去買，會找番9錢
2008-01-09 7:04 am
一條香蕉原價$100.8，我見到寫住用現金會有特價九折，咁我就用現金$100去買，會找番幾多錢?
會找番:
100 - (100.8 x 0.9)
=100 - 90.72
=9.28(元)
~9.3
會找番:
100 - (100.8 x 0.9)
=100 - 90.72
=9.28(元)
~9.3
2008-01-09 6:50 am
原價$100.8香蕉九折後賣:
$100.8X90%
=$90.72
付$100找番:
$100-$90.72
=$9.18
$100.8X90%
=$90.72
付$100找番:
$100-$90.72
=$9.18
2008-01-09 6:47 am
會找番9.28現金
2008-01-09 6:47 am
會找9.2俾你
收錄日期: 2021-04-13 17:27:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080108000051KK04330