1003055713 | math4u.vsb.cz

Podobszar:

Logika i zbiory

Część:

Project ID:

1003055713

Accepted:

1

Clonable:

0

Easy:

1

Zaznacz poprawne działanie:

{d} \cup {d} \cup {d} = {d}

{d} \cup {d} \cup {d} = {d d d}

{d} \cup {d} \cup {d} = {d; d}

{d} \cup {d} \cup {d} = {d; d; d}