, . , , .
!!! , . .
. ;
1. . , -4 0, .
³: .
2. . ; -1=8; =9.
³: 9.
3. . ; 2+3= ; -2-3= 0; 1=-1, 2=3.
. =-1 =-1 , , =-1 - . =3 = 3 , , =3 .
³: 3.
4. + = 4. . = 4- ;. = ;
5-1 = 16 - 8 + ; 5-1 = 16 - 8 ++3. . 8 = 16 ++3-5+1;
8 = 20 4; 2 = 5-; ; 4(+3) = 25-10+ ;
-14+13=0; 1=1, 2=13.
. =1 ; = 13- .
³: 1.
5. : .
()3=13;
()3+3( 2 + 3 )2+()3 = 1;
2-1 + 3 () + -1 = 1;
3 () = 1-2+1-+1;
3 *1 = 3 3; = 1 ;
( )3=(1 )3; (2 1)( 1) = (1 )3;
22 2 + 1 = 1 3 + 32 3; 3 2 = 0; 1=1, 2=0.
. , .
=1 ; = 0- .
³: 1.
.
, .
6. = t,
t1=-4, t2=2. : = -4 ; =2; =2.
³: 2.
7. =4. : 3()2 = t. : + t 4 = 0; t1=1, t2 = .
: = 1; = 0; = .
³: 0.
8. ϳ , , , t - = 1, : t1=-1, t2=2. , =2,5.
³: 2,5.
9. 22+6 -3 = 5. 2(2+3) -3 = 5.
= t, = t2, = t2 , 2(t2 )-3t=5, t1=1, t2=0,5.
: = 1,; 1=1, 2= -4; 1=-1, 2=3.
= ; 1,2= .
³: 1;- 4; .
:
1) 1-4.
2) 616(1,3), 618(1,3,7), 623 (1)
3) 6-8.
4) 641(1,2,5,9)
5) 5.
6) .
7) 9.
8) 643(1,2)