Odpowiedzi

2009-09-29T14:31:52+02:00
(1/3)^-2 = 3² = 9
(1,25)⁻¹ = 5/4^-1 = 4/5¹ = 4/5
1 5 1
2009-09-29T14:33:36+02:00
(⅓)⁻² = 1:(1:3)² = 1 :(1:9) = 9
(1,25)⁻¹ = (5:4)⁻¹ = 1:(5:4) = 1*⅘ = ⅘
1 5 1
2009-09-29T14:38:06+02:00
Oblicz;
(⅓)⁻²=3²=9
(1,25)⁻¹=4/5
2 5 2