Răspuns :
2010
2100
2001
1200
1020
1002
2001+3000=5001
2100+3000=5100
2010+3000=5010
1200+3000=4200
1002+3000=4002
1020+3000=4020
2100
2001
1200
1020
1002
2001+3000=5001
2100+3000=5100
2010+3000=5010
1200+3000=4200
1002+3000=4002
1020+3000=4020