Question

giúp vs ạ mik đang cần gấp

Answer 1

a)\(A=\left\{2,3,4,5\right\}\)

b)\(B=\left\{-2,-1,0,1,2\right\}\)

c)\(C=\left\{-3;0;3;6;9\right\}\)

d)\(A=\left\{3;4;7;12;19\right\}\)