Помогите 3) и 4) сроооочно. Created by KekanPervyy. matematika-ru

Помогите 3) и 4) сроооочно...

KekanPervyy @KekanPervyy

August 2022 1 1 Report

Помогите 3) и 4) сроооочно

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2¹/₃+4¹/₁₀ : (2⁷/₁₅ - ⁵/₁₂) ×⁵/₆ =3
1) 2⁷/₁₅ - ⁵/₁₂ = ³⁷/₁₅ - ⁵/₁₂=³⁷ˣ⁴/₆₀ - ⁵ˣ⁵/₆₀=¹⁴⁸/₆₀ - ²⁵/₆₀ = ¹⁴⁸⁻²⁵/₆₀=¹²³/₆₀=⁴¹/₂₀
2) 4¹/₁₀ : ⁴¹/₂₀ = ⁴¹/₁₀ × ²⁰/₄₁=⁴¹ˣ²⁰/₁₀ₓ₄₁ = ²⁰/₁₀ = 2
3) 2×⁵/₆ = ²/₁×⁵/₆ = ²ˣ⁵/₁ₓ₆=¹⁰/₆=⁵/₃
4) 2¹/₃ + ⁵/₃ = 2¹⁺⁵/₆ = 2⁶/₆=3

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4⁵/₁₂ - 1¹/₂ : (2¹/₆+⁸/₁₅)×1⁴/₅ = 3⁵/₁₂
1) 2¹/₆+⁸/₁₅=¹³/₆ + ⁸/₁₅= ¹³ˣ⁵/₃₀ + ⁸ˣ²/₃₀ = ⁶⁵/₃₀ + ¹⁶/₃₀ = ⁸¹/₃₀
2) 1¹/₂ : ⁸¹/₃₀=³/₂×³⁰/₈₁ = ³ˣ³⁰/₂ₓ₈₁=³ˣ¹⁵/₈₁= ⁴⁵/₈₁=⁵/₉
3) ⁵/₉×1⁴/₅ = ⁵/₉×⁹/₅ = ⁵ˣ⁹/₉ₓ₅ = ⁴⁵/₄₅ = 1
4) 4⁵/₁₂ - 1 = 3⁵/₁₂

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