Question

Quantos numeros de dois algarismos podemos formar com os numeros 1, 2, 3, 7, 8 e 9?​

Answer 1

Resposta: 36 algarismos

Explicação passo-a-passo: 11, 12, 13, 17, 18, 19, 21, 22, 23, 27, 28, 29, 31, 32, 33, 37, 38, 39, 71, 72, 73, 77, 78, 79, 81, 82, 83, 87, 88, 89, 91, 92, 93, 97, 98 e 99.

Answer 2

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$\sf{\underline{6}\cdot\underline{6}=36~n\acute{u}meros}$