中国银行3个月定期年利率为2.6% 5000存3个月是5000+5000*（2.6%/4）=5032.5 每三个月拿出来再存进去是复利，就是利滚利 5000*（1+2.6%/4）+5000*(1+2.6%/4)2+5000*(1+2.6%/4)3+...5000*(1+2.6%/4)40=6479.20
