?

?????????????????A??

????????

???????????????????????????????????????????????

???????????????????????????????????
?????????

???????????????
???,???? ,???,?,??,??????,?????,?????????(?).??,??A?, ?A???A?A??????????A??????????????????????????
???????????????????????????????????????????????????...

??????????????????????????????????????
??
1????????????????????????1?????????????????
2?????????????
3???????????????????????()???()???????????????????

???????

?????

???????????????C????AB1B2C????????????????????

????

????????????????????????

???

????????????????(??)??5??400??1/3???
?????

???????????????6????400??????3??????

]???

??????(?)??????????????????3??2????300????????

?????

???????400?????30????????????????????400?????...

???????,???. ?????????.?????,,???,??????.??????,???,???. ??,???????,??????.???,?. ???????,???,?????,??,??,?????. ?? 1????????????????????????????????? 2????????????????????????????????????????????????????????2???????? 3???????????????? 4??????????????????????????????????OK????????????????? 5????????...

????
??
?????

????



????
???

1???????

(1)25????

(2)1?????

(3)??????

2??

??????????

???

1??????????????23??1?????1-2??1-2?????????????
2??s??69g?2???

3??s??6g?2-3???

4?????????

5??????1

6????15g?2???