:
* ( 1) –
= ; , .
* ( 2) –
= ; , .
* ( 1) –
= –
* .
= –
* -.
* ( 2) – . .
* ( 1) –
=
* ( 2) –
=
*( 1) –
= 3 -5 .
*( 2) –
= ,
: . ? . !
:
* ( 1) –
= ; , .
* ( 2) –
= ; , .
* ( 1) –
= –
* .
= –
* -.
* ( 2) – . .
* ( 1) –
=
* ( 2) –
=
*( 1) –
= 3 -5 .
*( 2) –
= ,
: . ? . !