?????1???????21??????????????? ?????,21??????????????17????,????????6.4????????????????????????,???27????????????????,??????????

??????????????????,??????????????????11?????,????????????????????55??,??????????5??????????

??????,????????,???????????,???????????,?????????,?,?????????4??????10???????????

?????????,?10??,???22??????????????????????????????????,????????????????????????????????????

?????????????????,?,????????21???????????????????,????????????????,???????????,???,???(????) ???????:?? ??“????????”????

?? ??6.4???????????27? ????

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

2?95?98???????

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

4?????????

5?????????

?????1???????21??????????????? ?????,21??????????????17????,????????6.4????????????????????????,???27????????????????,??????????

??????????????????,??????????????????11?????,????????????????????55??,??????????5??????????

??????,????????,???????????,???????????,?????????,?,?????????4??????10???????????

?????????,?10??,???22??????????????????????????????????,????????????????????????????????????

?????????????????,?,????????21???????????????????,????????????????,???????????,???,???(????) ???????:??