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

2????????

3???????

4???????

5????????????

????11???????????????22??? ????,11?????????23????????27?????,???????????????,?????,28???????????,????????0??????????????????????,????????!

?????:23-27??????????????,?????6~10?,???????????????12~14?,????16??,??5~6????????????????,??6~9??????????

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

???????:23-27??????,????,?????????????????????,?????(??????20~35???????????);?????????????????????????????????????????????????????????8~15??,????20???????,??????????????,???

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

????,????????,???,????????????????????????????????????;?????????????????????,???????,????????????????,?????????????,?????????????????????????????????????,??,??????????????????,???

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