Question

Determinati: A∪B,A∩B,A-B,B-A pentru multimile :
a)A={x∈N/x este patrat perfect ,x<70};B={xeN\xcub perfect,x<70};C)A={xeN\x=2p+1,p∈N,p≤3}; D)B={xeN\x=3Q-2,q∈N*,p≤3};E)A={xeN\x=2k,k∈N,k<4}; F)B={y∈N\y=+2,x∈A}; G)A={x∈N\xeste rest posibil la impartirea cu 5}; H)B={x∈N\xeste ultima cifra a unui patrat perfect}; I)A={x∈N\2x+3≤9};B={y∈N\y=x+1,x∈A}; J)A={x∈N\2x+3≤9}B={y∈N\y=2x-1,x∈A}; k)A={x∈N\3x≤30};B={y∈N\y=2x+2,x∈A};L)A={x∈N\21≤2x-1≤33}; B={x∈N\85≥6x-5>19}. VA ROG AJUTATI-MA DAU CORANANN

Answer 1

A={1,2,7,70,10}
B={1,2,7,70,10}
C={,1,2,3}
D={0,1,2,3}
E {1,2,3,4}
atata stiu