1003055705 | math4u.vsb.cz

SubArea:

Level:

Project ID:

1003055705

Source Problem:

Accepted:

1

Clonable:

1

Easy:

1

Given the sets

\begin{matrix} A = {1; 2; 3; 4; 5; 6; 7; 8; 9}, \\ B = {3; 4; 5; 6; 7}, \\ C = {6; 7; 8; 9; 10; 11; 12}, \end{matrix}

find the union

A \cup B \cup C

.

{1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12}

{1; 2; 3; 4; 5; 6; 7; 8; 9}

{6; 7}

{1; 2; 10; 11; 12}