求解释

wanqiu.beijing · 发表于 2017-5-2 10:05:40

《数学高分快速突破》（陈向东）有道题没看懂（1）的意思，求解
Mr. Dan deposits $10000 in a savings certifacate earning p percent annual interest compound quarterly.
What is the value of p?
(1) During the term of the certificate, he earns $18 more than he would if the intrest were not compound.
(2)He withdraws all the money six months after depositing it.

请问（1）是啥意思啊。

Jez · 发表于 2017-5-2 10:10:33

在他存款期间，复利比单利多了$18利息吧

wanqiu.beijing · 发表于 2017-5-2 10:28:49

Jez 发表于 2017-5-2 10:10
在他存款期间，复利比单利多了$18利息吧

同意！

wanqiu.beijing · 发表于 2017-5-2 10:30:38

Jez 发表于 2017-5-2 10:10
在他存款期间，复利比单利多了$18利息吧

感谢Jet的快速回复，感觉自己的数学基础太差，漏洞还很多。我要继续加油，谢谢。

求解释

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