????????????????????

?1?????????16?????????? ?,????????,??8???8??,?????????????6~8?,????,??????????????????10??;???????????????????????4~6????,????????????????????,??,???????????2~4?,????6???,?????????????????,?????????,?????????

????,?????????????,????????5~6??????????7~8?;??????????7~8??????????????????9????????,?????????9?????????????????????10???????????????????????