2009.2.17

1

2

3

4

5

6

7

820%

9

10

11

12

708090

( ()

1

2

-------

3

4

1

2

3

4

5

6

7

1

2

3

4

5

1

2

3

4

520%

62009

7

1

2

3

4

5

6

1

2

3

4

5

35

15

2002

12345

1

- -

2

3

4

5

---

6

+=0+=0+=0

227: 1 22009