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

2?????QQ

3???????

4??????

5???????????

?2??5??????????? (????????? ??)??????????5???????????????,6????????,????????,??10??

2?????????5????,???,??????????,????????,6??,?,?????????????,??????????6???????8?,???????10??,????4??6?,??7??8??

?????????????5?10??????,??8???????????,???????0????

??????5?????????????6???,?5?????????8??6?8??????,???????????????????????????????????????????????????????????5?6????????7?8??

?,?,??0??????,??????5?,??10??

?????,??,??????,????????????,?????????,5??,??????,??????????????????????????????????????,????,??,??(?????????????) ??:?????