Teng emas A={1,2,3} va B={2,4,5} to‘plamlar berilgan bo‘lsa, a va b to‘plamlarning simmetrik ayirmasini toping. {1,3,4,5}

X mukammal diz’yunktiv normal shakl

15. 
    Bir mamlakatda 4 ta shahar bor ekan: A, B, C va D. A shahardan B ga 4 ta yo‘l, B shahardan C ga 6 ta yo‘l olib borarkan. A dan D ga 5 ta yo‘l, D dan C ga 6 ta yo‘l bilan borish mumkin ekan. A shahardan C shaharga necha xil yo‘l bilan borish mumkin?
    

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  54
  

16. 
    А={2, 3, 4, 5, 6, 7, 8} berilgan bo‘lsa, AxA to‘plamda aniqlangan p={(x,y): x,y£A, y element x ga bo‘linadi va x<6} munosabat quyidagi javoblarning qaysi birida to‘g‘ri ko‘rsatilgan?
    

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  p ={(2,2), (2, 4), (2,6), (2, 8), (3, 3), (3, 6), (4, 4), (4, 8), (5,5),(6,6)}
  

17. 
    “Dars” so‘zidan undosh va unli harflar juftligini necha xil usul bilan tanlab olish mumkin?
    

x 3

18. 
    A={2,3} va B={2,3,5} bo‘lsa AUB ni toping?
    

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  {2,3,5}
  

19. 
    x={chin, chin, yolg‘on, yolg‘on} va y={chin, yolg‘on, chin, yolg‘on} bo‘lsa x | y ni qiymatini toping?
    

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