5 1/3*2 1/4-(1 2/15+5/9):2 1/9 Решите пожалуйста
5¹/₃×2¹/₄-(1²/₁₅+⁵/₉):2¹/₉ = 11,2 5¹/₃×2¹/₄ = ¹⁶/₃×⁹/₄ = ¹⁶ˣ⁹/₃ₓ₄ = ¹⁶ˣ⁹/₃ₓ₄ = ¹²/₁ = 12 1²/₁₅+⁵/₉ = ¹⁷/₁₅+⁵/₉ = ¹⁷ˣ³/₄₅+⁵ˣ⁵/₄₅ = ⁵¹/₄₅+²⁵/₄₅ = ⁵¹⁺²⁵/₄₅ = ⁷⁶/₄₅ ⁷⁶/₄₅ : 2¹/₉ = ⁷⁶/₄₅ : ¹⁹/₉ = ⁷⁶/₄₅ × ⁹/₁₉ = ⁷⁶ˣ⁹/₄₅ₓ₁₉ = ⁴/₅ 12 - ⁴/₅ = 11¹/₅ = 11,2
16/3•9/4–(17/15+5/9):19/9=12–228/135•9/19=12–12/15=168/15=11,2
Пасибо браток