Odpowiedzi

2009-12-15T10:06:07+01:00
A = {0,1,2,3,4,5,6,7}
B = {-4,-3,-2,-1,0,1,2,3,4}
C = {5,6,7,8,9}

(BnC)u A = A = {0,1,2,3,4,5,6,7}
bo (BnC) jest zbiorem pustym

(A/B)uC = C = {5,6,7,8,9}
bo (A\B) jest zbiorem {5,6,7}
3 2 3