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}

{chin, chin, chin, yolg‘on }

41. 
    A={x: xeZ, (x-1)(x+2)(x+5)=0} va B={x: xeZ, (x-2)(x+1)(x+5)=0} to‘plamlar berilgan bo‘lsa, A va B to‘plamlarning yig‘indisini toping.
    

• 
  {-5;-2;-1;1;2}
  

42. 
    “MATEMATIKA” so‘zidagi harflar yordamida nechta so‘z tuzish mumkin?
    

• 
  151200
  

43. 
    18 sonini natural bo‘luvchilari nechta?
    

x 4 25

{2,3,5} 27

44. 
    -(x^y) ifoda quydagilardan qaysi biriga teng?
    

• 
  (-xv-y) л (xvy)
  

45. 
    Agar A to‘plamning har bir elementi B to‘plamda mavjud bo‘lib, B to‘plamda A to‘plamga kirmagan element ham mavjud bo‘lsa, u holda A to‘plam B to‘plamga deyiladi?
    

• 
  xos qism to‘plam
  

46. 
    Tepalikdagi buloqqa 7 ta yo‘l olib boradi. Sayyoh necha xil usulda buloqqa borib kelishi mumkin?
    

• 
  49
  

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

1. 
   A={1,2,3,4} to‘plamning 0 ta elementli qism to‘plamlari soni nechta?
   

• 
  1
  

2. 
   x={chin, chin, yolg‘on, yolg‘on} va y={chin, yolg‘on, chin, yolg‘on} bo‘lsa (x V y) ^ y ni qiymatini toping?
   

• 
  yolg‘on
  

3. 
   A={1;3;5;6;8;10} va B={5;6;7;8;10} to‘plamlar berilgan bo‘lsa, B va A to‘plamlarning ayirmasini toping.
   

• 
  {7}
  

4. 
   A={1,3} va B={2,3,5} bo‘lsa A kesishma B ni toping?
   

• 
  {3}
  

5. 
   x={chin, chin, yolg‘on, yolg‘on} va y={chin, yolg‘on, chin, yolg‘on} bo‘lsa (x Л y) ^ y ni qiymatini toping?
   

•