pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m

(1)

pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m

@ @ @ @ @ @

@ @

@ñbà@òŠì†

@@@@ 2010

@ @

••••

@âÔŠ@æî‹ánÜa

@âÔŠ@æî‹ánÜa @âÔŠ@æî‹ánÜa

@âÔŠ@æî‹ánÜa ZZZZ 01

óÈíáa@†ìä ℝ2

ðÝ‚a‡Üa@kïØÜa@çíäbÕi@

@ðÝî@b·@Ó‹É¾a@Τ Z

( ) ( ) ( ^{x y}

@ @

^, ^Τ ^{a b} ^, ⁼ ^xa ⁻ ^{yb xb} ^, ⁺ ^ya ⁺ ² ^yb )

@ @

@óï÷§a@óÈíáa@nÉä@ì

( )

@Z

{ ^,

²

^/ ⁰ }

G = x y ∈

ℝ

x + ≠ y

N@

@ @

(1

− çc@µjåÜ æà@‹Õnà@öu@

G

(

^ℝ²

^, ^Τ )

N@

@ @

ÞÙÜ

( ) ^{x y} ^, ^∈ ^G

ÞÙÜ@ì@

( ) ^{a b} ^, ^∈ ^G

@båî‡Ü@L@

Z

( ) ( ) ( ^{x y} ^, ^Τ ^{a b} ^, ⁼ ^xa ⁻ ^{yb xb} ^, ⁺ ^ya ⁺ ² ^yb )

@ @

( ^xa ⁻ ^yb ) ( ⁺ ^xb ⁺ ^ya ⁺ ² ^yb ) ( ⁼ ^x ⁺ ^y )( ^a ⁺ ^b )

@@ì

@ @

@çc@b·@ì

( ) ^{x y} ^, ^∈ ^G

@Z

( ) ^{a b} ^, ^∈ ^G

ì@

@çhÐ@L@

@Z

0 x + ≠ y

ì@

0 a + ≠ b

@ @

@çˆg

( ^xa ⁻ ^{yb xb} ^, ⁺ ^ya ⁺ ² ^yb ) ^∈ ^G

@Z

@ @

@çc@ôåÉ·

( ) ( ) ^{x y} ^, ^Τ ^{a b} ^, ^∈ ^G

@Z N@

@ @

çhÐ@êåà@ì æà@‹Õnà@öu@

G

(

^ℝ²

^,Τ )

N@

@ @

i

çc@µj

( ^G ^, ^Τ )

@óïÜ†bjm@ò‹àŒ@

N

ÞÙÜ

( ) ^{x y} ^, ( ) ^{a b} ^,

ì@

æà@

@båî‡Ü@L@

G

Z

( ) ( ) ( )

( )

( ) ( )

, , , 2

, 2

, ,

x y a b xa yb xb ya yb ax by bx ay by a b x y

Τ = − + +

= − + +

= Τ

@ @

çíäbÕÜa@çˆg À@ðÜ†bjm@

Τ

N@

G

@ @

Ü

( ) ^{x y} ^,

ÞÙ

( ) ^{a b} ^,

ì@

( ^{α β} ^, )

@ì@

æà@

@båî‡Ü@L@

G

Z

( ) ( ) ( ^{x y} ^, ^Τ ^{a b} ^, ^Τ ^{α β} ^, ) ( ⁼ ^xa ⁻ ^{by bx} ^, ⁺ ^ya ⁺ ² ^yb ) ( ^Τ ^{α β} ^, )

 

 

@ @

[ ] [ ]

[ ] [ ] [ ]

2 ,

2 2 2

xa yb xb ya yb

xa yb xb ya yb xb ya yb

α β

β α β

 − − + + 

=    − + + + + + +   

@ @

[ ] [ ]

[ ] [ ] [ ]

2 ,

2 2 2

x a b y b a b

x a b b y a b y b a b

α β α β β

β α β α β α β β

 − − + + 

=    + + + − + + +   

@ @

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

( ) ( )

( ) ( ) ( )

, , 2

, , ,

x y a b b a b

x y a b

α β α β β

α β

= Τ − + +

= Τ   Τ  

@ @

çíäbÕÜa@çˆg À@ðÉïávm@

Τ

N@

G

@ @

‹—åÈ@æÈ@szjä

( ) ^{a b} ^,

æà@

@sï¢@

G

( ) ^{x y} ^, ^{G x y}

Z

^; ( ) ( ) ( ) ^, ^{a b} ^, ^{x y} ^,

∀ ∈ Τ =

@ @

ñc çc@

@Z@

( ) ^, ^;

@

2 xa yb x x y G

xb ya yb y

− =

∀ ∈  

+ + =

N@



@ @

@‰‚dä

( ) ( ) ^{x y} ^, ⁼ ^{1, 0}

@Z

@ôÝÈ@Þ—zåÐ@L@

1

@Z

0 a b

=

 

 =

N@@

@ @

ÞÙÜ@L@bïÙÈ

( ) ^{x y} ^,

æà@

@båî‡Ü@L@

G 1 0

@Z

0 1 2 0

x y x

x y y y

× − × =

 

× + × + × =

N@



@ @

çíäbÕÜa@L@çˆg À@a‡îb«@a‹—åÈ@ÞjÕî@

Τ

@xìÜa@íè@

G

( ) ^{1, 0}

N@

@ @

æÙïÜ

( ) ^{a b} ^,

@a‹—åÈ@

æà N@

G

À@ÞzåÜ

@óÜ†bÉ¾a@

G

( ) ( ) ( ) ( ) ^Ε ^: ^{x y} ^, ^Τ ^{a b} ^, ⁼ ^{1, 0}

@Z

@båî‡Ü@L@

Z

@ @

( )

1 2 0

xa yb xb ya yb ax by

bx a b y

− = Ε ⇔  

+ + =



− =

⇔  

+ + =



@ @

@ðè@óáÅåÜa@ë‰è@ò†‡zà

( )

²@Z

2 a b

a b

b a b

∆ = − = +

N@

+

@ @

@çc@b·@ì

( ) ^{a b} ^, ^∈ ^G

çhÐ@

0 a + ≠ b

@çˆg@L@

@Z

∆ ≠ 0

N@

(2)

@a‡ïyì@þy@ÞjÕm@óÕibÜa@óáÅåÜa@çhÐ@L@ðÜbnÜbi@ì

( ) ^{x y} ^,

@sï¢@

Z

@ @

( )

²

( )

²

1 0 2 2

x

b

a b a b

x a b a b

−

∆ + +

= = =

∆ + +

( ) (

²

)

² @ì@

0

y

1 a

b b

y a b a b

∆ −

= = =

∆ + +

@ @

@ça@b·@ì

1

@Z

0 x y

a b

+ = ≠

@çhÐ@L@

+

( ) ^{x y} ^, ^∈ ^G

@Z

@ @

‹—åÈ@ÞØ@L@çˆg

( ) ^{a b} ^,

æà@

çíäbÕÝÜ@ójåÜbi@þqb¿@ÞjÕî@

G

@íè@Þqbá¾a@a‰è@ì

Τ

Z

@ @

( ) ( ) ( )

'

2 2

, a 2 b , b

a b a b a b

 + − 

=  

 + + 

 

N@

@ @

@ó–þ‚

Z

çíäbÕÜa@çc@b·

æà@‹—åÈ@ÞÙÜ@ì@a‡îb«@a‹—åÈ@ÞjÕî@ì@ðÉïá¤@ì@ðÜ†bjm@

Τ

Þqb¿@

G

@ @

( ^G ^, ^Τ )

@çhÐ

@óïÜ†bjm@ò‹àŒ@

N

@ @

(2

− íáa@æÙnÜ

@óÈ

( ) ^, ^/ ( ) ^,

@Z

0 x y y

M x y x y G

x y +

   

Ε =   =   +   ∈  

N@

@ @

çc@µjåÜ@− æà@‹Õnà@öu@

Ε

( ^Μ

²

( )

^ℝ

^, ^× )

N@

@ @

ÞÙÜ

( ) ^{x y} ^, ( ) ^{a b} ^,

@ì@

æà

@båî‡Ü@L@

G

Z

( ) ^, ( ) ^,

0 0

x y y a b b

M x y M a b

x y a b

+ +

   

× =   +     × +  

@ @

( )( ) ( ) ( )

( )( )

( )

( ) ( )

( )

0 2 2

0 2

, 2

, ,

x y a b x y b y a b x y a b

xa yb xb ya yb xb ya yb

xa yb xb ya yb M xa yb xb ya by

M x y a b

+ + + + +

 

=  

+ +

 

− + + + + +

 

=   − + + +  

= − + +

= Τ

@ @

@çc@b·@ì

( ) ^{x y} ^, ( ) ^{a b} ^,

@ì@

¶g@çbïánåî

@çhÐ@L@

G

( ) ( ) ^{x y} ^, ^Τ ^{a b} ^, ^∈ ^G

@Z

@ @

@çˆg

Ε

@Z

æà@‹Õnà@öu@

( ^Μ

²

( )

^ℝ

^, ^× )

N@

@ @

−

@ÖïjXnÜa@çc@µjåÜ@

( ) ( )

Z

:

, ,

f G

x y M x y

→ Ε

æà@ÞØb“m@L@ ֏

( ^G ^, ^Τ )

@

( ) ^{Ε ×} ^,

í®

N@

ÞÙÜ

( ) ^{x y} ^, ( ) ^{a b} ^,

@ì@

æà L@

G

@båî‡Ü@

Z

( ) ( )

( ) ( ( ) ( ) )

( ) ( ) ( ) ( )

, , , ,

f x y a b M x y a b M x y M a b

f x y f a b

Τ = Τ

= ×

@ @

çˆg

æà@ÞØb“m@

f

( ^G ^, ^Τ ) ( ) ^{Ε ×} ^,

í®@

N@

@ @

çc@µjä

@ðÝibÕm@ f N

( ) ^{x y} ^,

ÞÙÜ

( ) ^{a b} ^,

@ì@

æà

@båî‡Ü@L@

G

Z

( ) ( ) ( ) ( )

( ) ( )

, , , ,

0 0

, ,

f x y f a b M x y M a b

x y y a b b

x y a b

x y a b y b

x a y b x y a b

= ⇔ =

+ +

   

⇔   +     = +   + = +

⇔  

 =

=

⇔  

 =

⇔ =

@ @

ÖïjXnÜa@çˆg

@ðåîbjm@ f N

@båî‡Ü

( ^{∀ ∈Ε ∃} ^M ) ( ) ^, ( ^{x y} ^, ^∈ ^G ) ^/ ^M ⁼ ^ ^ ^x ⁺ ₀ ^y _x ₊ ^y _y ^ ^

Z@

 

@çˆg

( ) ^, ( ) ^,

@Z

M = M x y = f x y

@ @

ÖïjXnÜa@çˆg

@ðÜí@

f

N

@ @

çhÐ@L@ðÜbnÜbi@ì æà@ðÝibÕm@ÞØb“m@

f

( ^G ^, ^Τ ) ( ) ^{Ε ×} ^,

í®@

N@

@ @

çc@b·@ì

( ^G ^, ^Τ )

çhÐ@L@óïÜ†bjm@ò‹àŒ@

( ) ^{Ε ×} ^,

@óïÜ†bjm@ò‹àŒ@b›îc@

N

@ @

(3)

− ÞÙÜ

( ) ^{x y} ^,

æà@

@båî‡Ü@L@

G

Z

@ @

( ) ( )

( )

( ) ( ) ( ) ( )

( )

1 1

'

2 2

2

, ,

,

2 ,

1 0 1 M x y f x y f x y x y y f x y x y x y y M x y x y y x y x y x y

− −

=           =    + −  =    + +     + −  =    + +    −    + +    =      + 

(3 − À@ÞzåÜ @óÜ†bÉ¾a@

Ε

@Z 2

X = Ι

2 N@ @ @ @Ê›ä

( ) ^,

@Z

X = M x y

sïy@L@

( ) ^{x y} ^, ^∈ ^G

@çˆg@L@ Z @ @

( ) ( ) ( ) ( )

2 1 2 2 2 2

, , , 1 1 0 0 1 X M x y M x y M x y y x y x y x y y x y x y x y x y y = Ι ⇔     = Ι ⇔    

−

= −    + +   +    ⇔   =   +      +  + = + ⇔ − ( ) ( ) ( ) ( ) ( { ) ( ) }

2 2 2

1 1 0 1 1 , 1, 0 ; 1, 0 0 0 x y y x y x y y x y x y y x y    + =   ⇔    + +  =  =      +  + = =   ⇔  ⇔  ⇔ ∈ − = =  

@ @ @óÜ†bÉ¾a@çhÐ@êåà@ì @Z 2

X = Ι

2 À@µÝy@ÞjÕm@L@ @báè@

Ε ( ) 1, 0

2@Z

M = Ι ( 1, 0 )

2ì@

M − = −Ι

N@ @ @

•••• @âÔŠ@æî‹ánÜa @âÔŠ@æî‹ánÜa @âÔŠ@æî‹ánÜa @âÔŠ@æî‹ánÜa ZZZZ 02

(1 − æÙïÜ @ÞØ@Âi‹î@ñ‰Üa@ÞîíznÜa

R ( )

óXÕä óXÕåÜbi@

M z ( )

' '

M z

@sï¢@ Z @ @

( )

'

1 z = + + iz i

N@ @ @ − @Ê›ä @Z

a = i

@ì@

1 b = + i

N@ @ @ çc@b·

{ } ¹

@Z@

a ∈ −

ℂ @ì@

1 a =

çhÐ@L@ ëØ‹à@Ö¨@çaŠì†@

R

@íè@

Ω

Z @ @

1 1 1 b i a i i ω = = ⁺ = − −

@ @ @íè@ênîìaŒ@‘bïÔ@ì

( ) ( )

@Z

arg arg a ₌ i ₌ π 2

N@ @ @ − ÞÙÜ æà@

z

@båî‡Ü@L@ℂ Z @ @

( ) ^{( )} ( ) ( )

1 ' ' ' ' ' '

1

1 R M M R M M

z iz i

iz z i i iz z i

z iz i

−

= ⇔ =

⇔ = + +

⇔ − = − +

⇔ − = + −

⇔ = − − +

@ @

çaŠì‡Üa@çˆg

R

⁻1

óXÕåÜa@Âi‹î@

( )

' '

M z

óXÕåÜbi@

( )

@sï¢@

M z

Z

@ @

'

1 z = − − + iz i

N@

@ @

(2

− À@nÉä Z@ℂ

( ) ^{Ε − −} ^: ^iz

³

^{3 1} ( ) ⁺ ^{i z}

²

⁻ ⁶ ^z ^{− + =} ¹⁰ ² ⁱ ⁰

N@

@ @

ÞÙÜ@− æà@

z

@båî‡Ü@L@ℂ Z

@ @

( ) ^{( )}

( ) ( ) ( ) ( ) ( )

( ) ( )

( )

3 3

'

3 2 2 3

3 2

1 3 1 3 1 1

3 1 3 2 2 1

3 1 6 2 2

z iz i

iz iz i iz i i

iz i z iz i i i

iz i z z i

=   + +  

= + + + + + +

= − − + + × + +

= − − + − − +

@ @

@çˆg

( ) ^z

^' ³

^{− = − −} ⁸ ^iz

³

^{3 1} ^{( )} ⁺ ^{i z}

²

⁻ ⁶ ^z ^{− +} ¹⁰ ² ⁱ

@Z

@ @

(4)

çíÙî@L@ðÜbnÜbi@ì óÜ†bÉáÝÜ@þy@

z

( ) ^Ε

@ÂÕÐ@ì@aˆg@

@çbØ@aˆg Z

@ @

( )

3 2

3 1 6 10 2 0

iz i z z i

− − + − − + =

@ @

@ñc

( ) ^z

^' ³

^{− =} ⁸ ⁰

@Z

@ @

@ñc

( ) ^z

^' ³

⁼ ⁸

@Z

@ @

çc@ôåÉ·

z

'

@†‡ÉÝÜ@kÉÙà@Š‰u@

N@

8

@ @

− çc@b·

2

3

= 8

çhÐ@

Š‰u@

2

@†‡ÉÝÜ@kÉÙà@

N@

8

@ @

†‡ÉÝÜ@ójÉÙ¾a@Šì‰§a@ì

@ðè@

8

@Z ì@

2

ì@

2 j

@sïy@

2 j 1 3

@Z

2 2

j = − + i

@N@

@êåà@ì Z

@ @

( ) { }

{ }

( ) ( )

{ }

'

2; 2 ; 2

2 1 ; 2 1 ; 2 1

1 ; 3 1 2 ; 3 1 2

z j j

z i i ij i i j i

z i i i

Ε ⇔ ∈

⇔ ∈ − − + − − + − − +

⇔ ∈ − − − + − + +

@ @

@

@çhÐ@ðÜbnÜbi@ì

( ) ( ) ( )

@Z

{ ¹ ^; ^{3 1} ^{2 ;} ^{3 1} ² }

S = − + i − + i − + + i

N@

@ @

ج

− æÙnÜ ì@

A

ì@

B

@ðÜaínÜa@ôÝÈ@béÔb¨c@ðnÜa@ÂÕåÜa@

C

Z

@ @

( ) ¹

a = − + i

( ^{3 1} ) ²

@ì@

b = − + i

( ^{3 1} ) ²

@ì@

c = − + + i

@ @

@Ê›ä@ì

( )

@Z

A

'

= R A

( )

@ì@

B

'

= R B

( )

@ì@

C

'

= R C

@ @

@ÂÕåÜa@×bzÜc Z

A

'

ì@

B

'

ì@

C

'

@ðÜaínÜa@ôÝÈ@ðè@

@Z ì@

2 2 j

ì@

2 j

sÝr¾a@ì@

' ' '

A B C

@Ãb«@

ò‹÷a‡Übi

( ) ^C

^'

@bèØ‹à@ðnÜa@

béÈbÉ’@ì@

O 2

r =

N@

@ @

ÞÙÜ æà@

z

@båî‡Ü@L@ℂ Z

( )

( ) ( )

'

' ' '

1 '

1 2 2

iz i z

M z C

M z R

⁻

C + + = ⇔ =

⇔ ∈

@ @

ÂÕåÜa@óÈíáª@L@çˆg

( )

@sï¢@

M z

( ) ¹ ²

@Z

iz + + = i

ò‹÷a‡Üa@òŠí–@ðè@

( ) ^C

^'

@I@

@óXïa

@sÝr¾bi

' ' '

A B C

@H@

çaŠì‡Übi

R

⁻1

c@

ò‹÷a‡Üa@ñ

( ) ^C

sÝr¾bi@óXïa@

N@

ABC

@ @

@çÿ

( )

@Z

1 '

A = R

⁻

A

( )

@ì@

1 '

B = R

⁻

B

( )

@ì@

1 '

C = R

⁻

C

N@

@ @

ò‹÷a‡Üa@Ø‹à

( ) ^C ( )

@íè@

' 1

O = R

⁻

O

@íè@êÕ¨@ì@

@Z

'

1 i

ω = − +

N@

@âÔŠ@æî‹ánÜa ••••

@âÔŠ@æî‹ánÜa @âÔŠ@æî‹ánÜa

@âÔŠ@æî‹ánÜa ZZZZ 03

À@nÉä

×

ℤ ℤ

¾a@

@óÜ†bÉ

( ) ^Ε ^{: 28} ^x ⁻ ¹⁵ ^y ^{= −} ⁶

@Z N@

(1

−

@båî‡Ü Z

@ @

28 3 15 6 × − × = 84 90 − = − 6

@ @@óÜ†bÉáÝÜ@™b‚@Þy@

( ) ^{3, 6}

@xìÜa@L@çˆg

( ) ^Ε

N@

ÞÙÜ@−

( ) ^{x y} ^,

×

æà@

ℤ ℤ

@båî‡Ü@L@

Z

( )

@ @

( ) ( )

28 15 28 3 15 6

28 3 15 6

x y

Ε ⇔ − = × − ×

⇔ − = −

@çˆg

( )

Z@

15 / 28 x − 3

@

@ @

@çc@b·@ì

@Z

15 ∧ 28 1 =

@™íØ@óåèà@ky@çhÐ@

( )

@Z

15 / x − 3

N@

@ @

@çhÐ@êåà@ì Z

@ @

@

( ) ( )

( )

15 / 3

28 3 15 6

/ 3 15

28 15 15 6

/ 3 15

6 28

x

x y

x k

k k y

x k

k y k

 − Ε ⇔ 

− = −



− =

⇔ ∃ ∈  

× = −



= +

⇔ ∃ ∈  

 = +

ℤ

@ @

@ðÜbnÜbi@ì

( )

@Z

{ ^{3 15 , 6} ²⁸ ^/ }

S = + k + k k ∈

ℤ N@

@ @

(2

− À@Þzä

@óáÅåÜa@ℤ

( ) [ ]

@Z

[ ]

: 8 28 2 15 S z

z

 ≡

 

 ≡

N@

@ @

ÞÙÜ æà@

z

@båî‡Ü@L@ℤ Z

( ) ( )

²

28 / 8 8 28

, /

2 15

15 / 2

z z

S z z

α β α

β

−

  − =

⇔   ⇔ ∃ ∈ 

−  − =



@ @ ℤ

@çˆg

( ^z ^{− − − =} ⁸ ) ( ^z ² ) ²⁸ ^α ⁻ ¹⁵ ^β

@Z

@

@ @

@çc@ôåÉái

@Z

28 α − 15 β = − 6

@ @

(5)

@çˆg

( ^{α β} ^, ) ( ^{= +} ^{3 15 , 6} ^k ⁺ ²⁸ ^k ) ^/ ^k ^∈

^ℤ@Z

@ @

@êåà@ì

( )

@Z

8 28 3 15 /

z − = + k k ∈

ℤ

@ @

@ñc

@Z

92 420 /

z = + k k ∈

ℤ

@ @

@çbØ@aˆg@L@bïÙÈ

@Z

92 420

z = + k

@sïy@

k ∈

ℤ N@

@çhÐ

( )

@Z

8 28 3 15

z − = − k

( )

@ì@

2 15 6 28

z − = − k

@ @

@çˆg

[ ]

@Z

[ ]

8 28 2 15 z

z

 ≡

 

 ≡

N@

@ @

óáÅåÜa@ßíÝy@óÈíáváÐ@L@ðÜbnÜbi@ì

( ) ^S

À@

@ðè@ℤ

{ ⁹² ^{420 /} }

@Z

S = + k k ∈

ℤ N@

@ @

(3

−

@óïåàÜa@ò‡¾a@ßþ‚@çíÙî@öa‹Ñ—Üa@òŠb’ﬁa@tbÉjäg

@I

@óÕïÔ‡Übi

@H

@ÞïÝÜa@Ò—nåà@æà@bÔþXäg I

@@H

0h

@

2 28 d

J

= + α

@sïy@L@

α ∈

ℕ N@

@ @

@óïåàÜa@ò‡¾a@ßþ‚@çíÙî@öa‹á¨a@òŠb’ﬁa@tbÉjäg@ì

@Z

R

8 15 d = + β

@sïy@L@

β ∈

ℕ N@

@ @

m

@óïåàÜa@ò‡¾a@ßþ‚@bÉà@µmŠb’ﬁa@tbÉjäg@ÖibXn

@Z

J R

d = d = d

N@

@çc@ñc

@Z

@óáÅåÜa@Þy@íè@

d

[ ]

@Z

[ ]

8 28 2 15 d

d

 ≡

 

 ≡

@óÈíáa@À@

N@ℕ

@ @

@ßaüÜa@óvïnä@ßbáÉnbi (2

−

@çc@wnånä@L Z@

92 420 / d = + k k ∈

ℕ N@

@ @

@ðè@bÉà@µmŠb’ﬁa@béïÐ@ÖibXnm@óïåàŒ@ò‡à@‹Í–c

@Z

92 min d =

@ @

@„îŠbnÜa@paˆ@óÅzÝÜa@À@ÚÜˆ@ì

1

1 32 min

@Z

t = h

N@

@ @

_@ò‹à@ðäbrÜ@µnï÷í›Üa@µmŠb’ﬁa@tbÉjäg@béïÐ@ÖibXnn@ðnÜa@óÅzÝÜa@„îŠbm@íè@bà

@ @

pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m pbïšbî‹Üa@ò†b¾@ðjî‹vnÜa@çbznàfia@|ïz—m