????:1???p?????:??6???

2???????

3???????????

4????????????

5??????qq

????,11???????23???27?,??????????????,???,????6?10??

????????,?????????????????,???????,??????????????,11??????????????24?????????25?,???,???????????????,??,??????????,??????????????,????????????,25?????????,????,???????25???

??????????,11????????25???????27???????????????,????6????????,????????,????????26??27????????3?,27??????????-5??(??????)

???:???