???????=??????????????????1+???????????+??????????????
????????????????????????????+??????????????????————
???????????????1200+199=1399
1???????????????1200(1+5%)+199=1459
2???????????????1200(1+10%)+199=1519
3???????????????1200(1+15%)+199=1579
4???????????????1200(1+20%)+199=1639
5???????????????1200(1+25%)+199=1699
6???????????????1200(1+30%)+199=1759
7???????????????1200(1+35%)+199=1819
8???????????????1200(1+40%)+199=1879
9???????????????1200(1+45%)+199=1939
10???????????????1200(1+50%)+199=1999
??????????????????????10??????????10?????(???????????)
?????????1600(1+50%+50%)+199=3399
?????????????????????????????????????????????????
i3??????? ????????http://rxsg.i3.com.cn/