?? ???????????????????
????:1?????200???????:??????
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???????,??????????????????,????????
?:???????????,??????????????,????????,?????????????????????????????;??????????????,?????,???????,?????,??????????????????????????,??,????????????,?????????
???:???????