Question

Fie multimile:A=[3 4 5] B=[5 6 7 8] C=[2 4 8] K=[1 3 5 7] Aflati:AUB, AUK ,AUC , CUK, A/K ,C/A ,K/B, K/A.
clasa a 6!!!!!!!

Answer 1

A U  B = { 3,4,5,6,7,8} 
A  U  K = { 1 ,3,4,5,7} 
A  U  C = { 2,3,4 ,5,8} 
C  U  K = { 1,2,3,4,5,7,8 } 
A  \  K = { { 4 } 
 C  \  A = [ 2 , 8 } 
K  \  B = { 1 , 3 } 
K  \  A = { 1 , 7 }