1.10000X3X5.74%=$1722
1722+10000=$11722
2.2000X2X2.70%X(1-20%)
=108X80%
=$86.4
3.一:500X2X2.7%X(1-20%)
=27X80%
=$21.6
二:500X1X2.25%X(1-20%)
=11.25X80%
=$9
(9+500)X1X2.25%X(1-20%)
=509X2.25%X80%
=$9.162
9.125+9=$18.162
$21.6>$18.162
答:选择第一办法得到的利息多一些。
(望采纳啊!!)
10000*3*5.74%=1722元 1722+10000=11722