Răspuns:
a. 23299, 23298, 23297, 23296, 23295, 23301, 23302, 23303, 23304, 23305
b. 16999, 16998, 16997, 16996, 16995, 17001, 17002, 17003, 17004, 17005
c. 6379, 6378, 6377, 6376, 6375, 6381, 6382, 6383, 6384, 6385
d. 49999, 49998, 49997, 49996, 49995, 50001, 50002, 50003, 50004, 50005
Sper că e bine!!