Question

A={0,1,2,3,4,5,6,7,8,9} B={ 0,2,4,6,8,10,12,14,16,18} C={1,3,5,7,9,11,13,15,17,19} D={0,1,2,3,5,7,9,11,13,15} E {2,3,4,5,8,10,12,14,16,18} (A)A-B=,
( B)E-C= (C) B-C=, (D) A-B=, (E) E-A=, (F)B-C=,(G)C-D=, (H)B-E=, (i)C-A=, (J)C -B= ????

Answer 1

a){1,3,5,7,9}
b){2,4,8,10,12,14,16,18}
c){0,2,4,6,8,10,12,14,16,18}
d){1,3,5,7,9}
e){10,12,14,16,18}
f){0,2,4,6,8,10,12,14,16,18}
g){0,2,17,19}
h){0,6}
I){11,13,15,17,19}
j){1,3,5,7,9,11,13,15,17,19}