?????????????????12????20??????????????? ?,??,??????,?20??

?????????,???,9??????????5???,?????????????12????????????????16?,??????,??????20??,???

?????????,??????????????????????????????????,?????????????????,?????????????,???????????,????????,????????(???????????????)

??????????????:?? “???????”????

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

????:1????????:?????100???

2?????????

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

4???????

5?????????

?????????????????12????20??????????????? ?,??,??????,?20??

?????????,???,9??????????5???,?????????????12????????????????16?,??????,??????20??,???

?????????,??????????????????????????????????,?????????????????,?????????????,???????????,????????,????????(???????????????)

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