x vdots 120 x lt 30 x in 0 x in 012 x in 01224
A.\(x \in \left\{ 0 \right\}\)
B.\(x \in \left\{ {0;12} \right\}\)
C.\(x \in \left\{ {0;12;24} \right\}\)
D.\(x \in \left\{ {0;1;12;24} \right\}\) 

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