Răspuns :
4a3bc5d
=>d=4
4a3bc54
a=5
453bc54
c=3
453b354 =>b={0,1,2,3,4,5,6,7,8,9}
=> S={4530354; 4531354; 4532354; 4533354; 4534354; 4535354; 4536354;
4537354; 4538354; 4539354}
=>d=4
4a3bc54
a=5
453bc54
c=3
453b354 =>b={0,1,2,3,4,5,6,7,8,9}
=> S={4530354; 4531354; 4532354; 4533354; 4534354; 4535354; 4536354;
4537354; 4538354; 4539354}
4a2bc5d = 4520254, 4521254, 4523254, 4526254, 4527254, 4528254, 4529254
a = {5}
b = {0;1;3;6;7;8;9}
c = {2}
d = {4}
a = {5}
b = {0;1;3;6;7;8;9}
c = {2}
d = {4}