Rozwiązane

oblicz;
(⅓)⁻²
(1,25)⁻¹

Odpowiedź :

Mirejviz
(1/3)^-2 = 3² = 9
(1,25)⁻¹ = 5/4^-1 = 4/5¹ = 4/5
(⅓)⁻² = 1:(1:3)² = 1 :(1:9) = 9
(1,25)⁻¹ = (5:4)⁻¹ = 1:(5:4) = 1*⅘ = ⅘
oblicz;
(⅓)⁻²=3²=9
(1,25)⁻¹=4/5

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