????:1???????????:?????????

2???????100?????

3??????????

4??????????

5???????

?????12???????????20??????? ?:?????????????????????12?????????????20????????????,?20????????????????????????????????????????????????

??,????????????,????,??????24?????????????????5????????????????????,??????????20????130?????

????????????????,??????????

?,??????,??,?????????

?????,?????1.9???????????????????(?????????????????????????) ???:??