Question

fie multimile A= {1,2,3,4,5,6,7} , B={5,6,7,8,9} ,si C={1,2,3,7,12} , repede si fara prostii! dau coroana!

a. AᴗB | exemplu:#╭╮# = # intersectat cu #
b. AᴗC. | exemplu:# ᴗ # = # reunit cu #
c. BᴗC |
d. A╭╮C |
e. A╭╮C |
f. B╭╮C |
g. AᴗBᴗC |
h. A╭╮B╭╮C |
i. A\B |
j. B\C |
k. A\C |
l. Aᴗ(B╭╮C)​ |

Answer 1

Răspuns:

a) A U B ={1,2,3,4,5,6,7,8,9}

b) A U C ={1,2,3,4,5,6,7,12}

c)B U C={1,2,3,5,6,7,8,9,12}

d)A╭╮B={5,6,7}

Explicație pas cu pas:

e)A╭╮C={1,2,3,7}

f)B╭╮C={7}

g)AᴗBᴗC={1,2,3 4 5,6,7,8,9,12}

h)A╭╮B╭╮C={7}

i)A\B={1,2,3,4}

j)B\C={5,6,8,9}

k)A\C={4,5,6}

l)Aᴗ(B╭╮C)={1,2,3,4,5,6,7}ᴗ{7}={1,2,3,4,5,6,7}