????:1???????:??100???????

2??????????

3?????v

4???????

5???????

?????1?5? ????????,??,????????????????,????????????????????????????????,?????????????????????1??,???????????????????200??????????????

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

???,?????????,????????????????,??6??????????9????????????,????????,???????????????4~6???????????,??????????????????????????????????????????8?????????????????????,?????????????????????????4~6??????????;7????9??????????????,?????????????????????????????,??,???????

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

???????????:?????