???????????? ?5.6????

?????????????1???????????30????? ?????,30??,????????5.6??????????,????21????????6.4????

?????????????????,30?10???11??????????,??5.6?????,??10?,??????5?,????????????????10????????4?,?????3.2??????????4.3?,??

?,????,??,???????????????

??????,30???????10????????????11?????5.2????(??????????) ?????:??