((4,5×1²/₃+3,75)×⁷/₁₃₅) : ⁵/₉ = 1,05
1) 4,5×1²/₃ = ⁴⁵/₁₀×⁵/₃ = ⁴⁵ˣ⁵/₁₀ₓ₃ = ¹⁵/₂ = 7¹/₂ = 7,5
2) 7,5 + 3,75 = 11,25
3) 11,25 ×⁷/₁₃₅ = ¹¹²⁵/₁₀₀ ×⁷/₁₃₅ = ¹¹²⁵ˣ⁷/₁₀₀ₓ₁₃₅ = ⁴⁵ˣ⁷/₄ₓ₁₃₅ = ⁷/₄ₓ₃ = ⁷/₁₂
4) ⁷/₁₂ : ⁵/₉ = ⁷/₁₂ × ⁹/₅ = ⁷ˣ⁹/₁₂ₓ₅ = ²¹/₂₀ = 1¹/₂₀ = 1,05