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1. ( = ), + 0 = .
, , .
2. ( < ), , + = .
, .. + 1 = ', < '. = 0, 0 < 1, .. 0 . < , , > .
, , ..
) (" a, , Î N 0) [ < Ù < = < ];
) (" a, Î N 0) [ < ¹> < ].
) .. < < , 2 k , + k = + = , ( + k) + m = . + (k + ) = . k + , ( 2) < .
) , < < . < , , .. (1) .
.. , , .
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. < , = , < .
, .
:
1. (" a, , Î N 0) [ < Þ + < + ].
.
2. (" a, , c Î N 0) [ < Þ < ].
≠ 0.
2 ( 1 ).
< , k, + k = . ( + k) = a c + k c = c, k , < .
1. .
2. 1-4 , ¢ = ab + a.
3. . ? ?
4. . ?
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5. . ?
6. .
7. . , ?
8. .
9. . ?
10. , :
) 5 < 7; ) 7 > 2; ) 3 + 7 > 3 + 6; ) 4 × 5 > 4 × 3.
11. ? .
9 : .
:
1. . .
2. .
3. .
4. .