Цены на нефть взлетели до максимума за полгода17:55
This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
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SpeedPro CEO Paul Brewster says demand for the company’s services has remained strong, with the system now at 130 studios and $115 million in annual sales.