-

"

"

"

"

"

7

7

21

28

35

1/6 "

1/6 "

1/3 "

1/3 "

1/3 "

"

"

"

"

"

4 "

4 "

4 "

4 "

4 "

(

")

)

3

3

3

5

10

20

30

24

4

6

8

4

6

8

1/2 "

1/2 "

3 "

3 "

3 "

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