Question
Let $\text{X}=\overline{\text{ABC}}+\overline{\text{BCA}}+\overline{\text{CAB}}.$ Evaluate X for:
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$\text{A}=1,\text{B}=0,\text{C}=1$
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$\text{A}=\text{B}=\text{C}=1$
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$\text{A}=\text{B}=\text{C}=0$

