????????????1?7??? ?,1??7??????????14??????????05????????,???-20?????????????????,???????????,?????????6.8?????????????,????????????,??????????????,?,??????,?????????????

??:??? �??????????�????

?? ????-20????????????

????:1???????????:??????95??

2??????????

3???50??????

4????????????

5??????????

????????????1?7??? ?,1??7??????????14??????????05????????,???-20?????????????????,???????????,?????????6.8?????????????,????????????,??????????????,?,??????,?????????????

??:???