??

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

???
???
 

???????10?
?????????????????????? ???????????????????
????????????
??????
 
1?????????????????
2?????
3??????????????
4??????????x???????????
5??????????????????
          ??????k?????????????C?????????????????????...

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

???

?????20?

????2??5?

??

??

???????



1.????????????? ,? ,???? (???? ),? 3 6 , 1 2 ,??? , 3??? (??? ),?1 , 3 6? 3 , 7? 5 ,??? , 3

2.??????????????? ,?? ,??? (????? ), 3 6? 3 , 7 11? 6 , 12? 9 ,? 1 3 ,??? , 3?? (? ), 3 6? 5 , 7? 9 ,?? , 3

??????????...

5???????????
????
??510??
????
????;
???5???(?36)??
?
??????
???8?????
?????????2
?????????
 

?

???????????????????????1????????,???2???12-2?????3?????????4???????????5?????????6X????????????3-5????????????????????????????????????????
??????
 
       1.??...

?250????8?
??????????3-5?

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

?3?????????1???????????2???????????????3?????????
???????????????????????????????????????????????
??????????????????????????????
??????????????????????
??????a???????
(1)???????
(2)???
(3)????
(4)????
(5)?k???
(6)?
???...

????

1??

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

2???

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

3

???????????????????30?????????

4????

?????????15?400????????????????????

5?????

????????????310?180270??????????

6???

1.???????12???

2.????????????

3.?????24????????

4.?????

??????????????????????????????????????...