Question

Cate nr naturale de trei cifre exista, stiind ca fiecare dintre ele nu are cifre care sa se repete iar cifra unitatilor este 7

Answer 1

107,127,137,147,157,167,187,197
207,217,237,247,257,267,287,297
307, 317, 327, 347, 357, 367, 387,397 .
407, 417, 427, 437, 457, 467, 487,497
507, 517, 527, 537, 547, 567,,587,597
607, 617, 627, 637, 647, 657, 687, 697
807, 817, 827, 837, 847, 857, 867, 897
907, 917, 927, 937, 947, 957, 967, 987

Answer 2

107,127,137,147,157,167,187,197,207,217,237,247,257,267,287,297,307,317,327,347,357,367,387,397,407,417,427,437,457,467,487,497,507,517,527,537,547,567,587,597,607,617,627,637,647,657,687,697,807,817,827,837,847,857,867,897,907,917,927,937,947,957,967,987