?? ???????????????
????:1?????:????????
2??????????
3???100????????
4???????????
5????????
?:
??????????,????????2??4??7???????????
????:????????????????:
??????????,????????2??4??7???????????
????:???????????????????:1?????:????????
2??????????
3???100????????
4???????????
5????????
?:
??????????,????????2??4??7???????????
????:???????????????