Răspunsuri

2014-02-22T10:59:51+02:00

A= { -2,-1,1,2,3}
B={1,4,9)
A / B= {-2,-1,2,3}
B / A = {4,9}

(A / B ) U (B / A) = {-2,-1,2,3,4,9}