( 5/6+1 1/2 ):( 5/7 - 1 2/5)
błagam o rozwiązaine
(⁵/₆ + 1½) : (⁵/₇ - 1²/₅) = (⁵/₆ + 1³/₆) : (²⁵/₃₅ - 1¹⁴/₃₅) = 1⁸/₆ : (²⁵/₃₅ - ⁴⁹/₃₅) =
= ¹⁴/₆ : (-²⁴/₃₅) = ¹⁴/₆ × (-³⁵/₂₄) = - ²⁴⁵/₇₂ = - 3²⁹/₇₂
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(⁵/₆ + 1½) : (⁵/₇ - 1²/₅) = (⁵/₆ + 1³/₆) : (²⁵/₃₅ - 1¹⁴/₃₅) = 1⁸/₆ : (²⁵/₃₅ - ⁴⁹/₃₅) =
= ¹⁴/₆ : (-²⁴/₃₅) = ¹⁴/₆ × (-³⁵/₂₄) = - ²⁴⁵/₇₂ = - 3²⁹/₇₂