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MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

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8. (komutativnost mnoenja)x y = y x; 8x; y 2 R;9. (distributivnost mnoenja prema zbrajanju)x (y + z) = x y + x z; 8x; y; z 2 R:III. Relacija ure ¯daja ”” na R ima sljedeća svojstva:10. 8x; y 2 R =) x y ili y x;11. (x y i y x) =) (x = y) ;12. (x y i y z) =) (x z) (tranzitivnost);13. (x y) =) (x + z y + z; 8z 2 R) ;14. (0 x i 0 y) =) (0 xy) :Zakljucak:(R; +; ; 1 9) ! polje realnih brojeva(R; +; ; ; 1 14) ! ure ¯deno polje(Q; +; ; ) ! ure ¯deno polje

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