1

2

3

= 1 = 1

= =

= 1

= = 1 = 1

4

+ = (1 + ) 1

=

(1 +

)

+ = (1

)

0

0 = (1 +

) ,

=0

(1 +)

.

0 = (1

) ,

=0

(1 )

.

= = 0

(1 +)

0

(1 )

=0

1 2

2

.

= 0 0 = 0 .

11 2 2

0 = 0 1

2

2

= = 0

(1 +)

0

(1 )

= 0

2 (1 2

2)

1 2

2

= 0 .

5

6

110000

7

1 1

2

=

,

= (

1

1

) , =

1 ,

1

1 .

1

1 +

8

=

=

40

1

1

,

=0

4

1

.

=

402 (1

2

2)

(1 )3 .

=

402 (1

2

2)

1

(1 2

22)

32 .

9

0.99,

10

11

12

13