????:1????????60??:??????????

2??????

3?????

4???????

5????????

??(12??????)????????????,???????4???????,??,??????,??

?????11????,??????1.4?????4000??????????????;

???????????1.4??,????9000??????????????????????9.3????,?????????????3.5???????;

???????2700??????????,??(?????????????)??1000????????????????????????????;

???2400?????????6000????

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

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