?????

?????????3?,?????????????????????????????.
?? ????????????????????
1.????????78%?????????????????????????????????????????
????50%????????????????I???????????????????????????
 
??????????

???????????????????????
??????????1???????10??????ct?????
???
??????????
??????k???????????????
??
ct?????...

1 ??????

2 ?1000??250??????

3 ????120?90????9???????

4 ?2????????????

5 ?1??500???????5???????

6 3060?????100???

7 20?100??1????

8 ?50???????1000??250?????

9 500?????250????????

??

1?? ???????????????????????????????????????????????????????????????????????????????????

2?? ?????...

24?????????24?????
???????:?????,??,????????,?,??????????.2-3??,3-6.3??2-3?.??3-4?.?3-6????,??,?????
? ?? ???

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

???? ? ????72??72?????????????????
???????:?????,??,????????,?,??????????.2-3??,3-6.3??2-3?.??3-4?.?3-6????,??,?????.?:????