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Знайти A×B для множин А та В, якщо А = {1; 9; 10}, В = {3; 21; 28}.
{(1,3);(9,21);(10,28)}
{{1,3};{1,21};{1,28};{9,3};{9,21};{9,28};{10,3};{10,21};{10,28}}
{(1,3);(1,21);(1,28);(9,3);(9,21);(9,28);(10,3);(10,21);(10,28)}
{(3,1);(21,1);(28,1);(3,9);(21,9);(28,9);(3,10);(21,10);(28,10)}
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