^ tzn.do potęgi * - znak mnożenia (2^-1 +3 ^-1)^-1= (-0,5)^2 - 0,3^-3 1^-5= (4/5)^-1 + (-64/9)^-2 -(1/2)^-2 - (8/5)^-1 * (-8) -------------------------------- <<

2^-1 +3 ^-1)^-1= [(½)¹ + (⅓)¹]⁻¹ = [½+⅓] ⁻¹ = [³/₆ + ²/₆]⁻1 = =(⁵/₆) ⁻¹ = (⁶/₅)¹ = ⁶/₅ = 1 ⅕ (-0,5)² - 0,3^-3 1^-5= 0,25 - (³/₁₀)⁻³ * (1)⁻⁵ = 0,25 - (¹⁰/₃)³ * 1 = = 0,25 - ¹⁰⁰⁰/₂₇ = ¼ - 37 ¹/₂₇ = ²⁷/₁₀₈ - 37 ⁴/₁₀₈ = -36⁸⁵/₁₀₈ (⅘)^-1 + (-⁶⁴/₉)^-2 = (⁵/₄)¹ + (-⁹/₆₄)² = ⁵/₄ - ⁸¹/₄₀₉₆ = = ⁵¹²⁰/₄₀₉₆- ⁸¹/₄₀₉₆ = ⁵⁰³⁹/₄₀₉₆ = 1 ⁹⁴³/₄₀₉₆ -(1/2)^-2 - (8/5)^-1 * (-8) -------------------------------- <<