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0,26 : (6,35 - 4⅖) = 0,26 : (6,35 - 4,4) = 0,26 : 1,95 = 0,1(3)
lub
0,26 : (6,35 - 4⅖) = 0,26 : (6,35 - 4,4) = 0,26 : 1,95 = ²⁶/₁₀₀ : ¹⁹⁵/₁₀₀ = ²⁶/₁₀₀ * ¹⁰⁰/₁₉₅ = ²⁶/₁₉₅
b)
3²/₁₁ * (6⁵/₂₁ - 1¹¹/₂₁) = ³⁵/₁₁ * 4¹⁵/₂₁ = ³⁵/₁₁ * ⁹⁹/₂₁ = 15
c)
(3⁴/₇ + ¹¹/₁₄) * 3,2 = (3⁸/₁₄ + ¹¹/₁₄) * ³²/₁₀ = 3¹⁹/₁₄ * ¹⁶/₅ = ⁶¹/₁₄ * ¹⁶/₅ = ⁴⁸⁸/₃₅ = 13³³/₃₅