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

2???????????????

3?????????

4????51?????

5???????

????6???????????????????????13? (?????? ???)13??19?55??????,?,?2??,?????????????60????????????????80????????,???,3??100??,???

???? ??

??17???,13???14??,???????????????????????????????????????????????????????,?,???14????15??,???????????,???15???16??,??,???????????,?????????

????,???12??,???????????,?????????????6??13??8???16??8??,????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(????)?(?????????)

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