(²/₃ × ⁴/₅) × (³/₄ × ⁵/₆) × (⁶/₇ × ⁸/₉) × (⁷/₈ × ⁹/₁₀) = ¹/₂********************************²/₃ × ⁴/₅ × ³/₄ × ⁵/₆ × ⁶/₇ × ⁸/₉ × ⁷/₈ × ⁹/₁₀ = ¹/₂²/₃ × ³/₄ = ²ˣ³/₃ₓ₄ = ²/₄ = ¹/₂¹/₂ × ⁴/₅ = ¹ˣ⁴/₂ₓ₅ = ²/₅⁵/₆ × ⁶/₇ = ⁵ˣ⁶/₆ₓ₇ = ⁵/₇⁵/₇× ⁷/₈ = ⁵ˣ⁷/₇ₓ₈ = ⁵/₈⁵/₈ × ⁸/₉ = ⁵ˣ⁸/₈ₓ₉ = ⁵/₉⁵/₉ × ⁹/₁₀ = ⁵ˣ⁹/₉ₓ₁₀ = ⁵/₁₀ = ¹/₂