1 . (Ⅰ)用分期付款方式购买家用电器一件,价格为
元,购买当天先付
元,以后每月这一天都交付
元,并加付欠款利息,月利率为
.若交付
元后的第一个月开始算分期付款的第一个月,全部欠款付清后,请问买这件家电实际付款多少元?
(Ⅱ)用分期付款方式购买家用电器一件,价格为
元,购买当天先付
元,以后每月这一天还款一次,每次还款数额相同,
个月还清,月利率为
,按复利计息.若交付
元后的第一个月开始算分期付款的第一个月,全部欠款付清后,请问买这件家电实际付款多少元?每月还款多少元?(最后结果保留4个有效数字)
参考数据:
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3732b0b37d123f3b93edd7840a9acb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6f1af4b44b2e97e8f319bab4ae9010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a317f002fd3ae7f3b041d4078e81fe07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
(Ⅱ)用分期付款方式购买家用电器一件,价格为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3732b0b37d123f3b93edd7840a9acb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a317f002fd3ae7f3b041d4078e81fe07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050664943286fd57dbc3daa3425b7fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a00646f4ccdebbde5069d4dbd74e918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f635163724e60087706e492494fd868.png)
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