Найдите значение x из уравнения: (2,871 + 3,129) ÷ x = 12

  1. 6
  2. 2
  3. 0,5
  4. 1,2

📝 Detailed explanation

Сумма в скобках равна 6: 6 ÷ x = 12. Отсюда x = 6 ÷ 12 = 0,5.
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