???????????? ?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??(????????) ??:????