Найдите значение выражения: (−²/₃ + 1 ¹/₂ ÷ 2 ³/₆) ÷ ⁴/₅

  1. ¹/₄
  2. ¹/₁₂
  3. −¹/₄
  4. −¹/₁₂

📝 Detailed explanation

Сначала выполняем деление: 1 ¹/₂ ÷ 2 ³/₆ = ³/₂ ÷ ⁵/₂ = ³/₂ × ²/₅ = ³/₅. Затем вычисляем значение в скобках: −²/₃ + ³/₅ = (−10 + 9) / 15 = −¹/₁₅. В конце выполняем деление: (−¹/₁₅) ÷ ⁴/₅ = −¹/₁₅ × ⁵/₄ = −¹/₁₂.
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