Question

Se considera mulțimea M={12, 22, 32, 42, ...,92}. Scrieți toate submultimile formate din opt elemente.

Answer 1

M={12,22,32,...,82}

N={12,22,32,42,52,62,72,92}

O={12,22,32,42,52,72,82,92}

I={12,22,32,42,62,72,82,92}

K={12,22,32,52,62,72,82,92}

B={12,22,42,52,62,72,82,92}

C={12,32,42,52,62,72,82,92}

D={22,32,...,92}

Cu placere! :-)