Question

Usando somente os algarismos 1,2, 3,4,5 e 6 quantos números de 2 algarismos podemos formar

Answer 1

11 12 13 14 15 16
21 22 23 24 25 26
31 32 33 34 35 36
41 42 43 44 45 46
51 52 53 54 55 56 
61 62 63 64 65 66

 36

Answer 2

12,13,14,15,16,21,22,23,24,25,25,26,31,32,33,34,35,36,41,42,43,44,45,46,51,52,53,54,55,56,61,62,63,64,65 e 66.36 algarismos
espero ter ajudado :-)