Finally, he sells it at a discount of 10%and makes a profit of $256.
What is the cost price of the camera?
唔該曬=]
更新1:
最好條式唔係方程啦
最好條式唔係方程啦
收錄日期: 2021-04-21 22:07:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20091118000051KK01474