????:1???????:????

2???????

3???????????

4?????????

5?????????????

7??16??,??????????????????,?????????,???????????1000????,????,???,????,??

16?18??30?,????????:??????24????,????????,??????????????????????????????????24????,???????????????????,????????????????????????????????????????????????????????????????????????????(???????????????????????)????,?????,???????(????50?80??,????????????100?)???????(8????????????10????)?????

????16???19????,??????,?????????????????????????(???? ? ? ???? ?? ??)

?????:?????