Question

1. Calculaţi:a) (8/11)² b)(3/4)³ c) (-2/3)⁴ d(-5/6)³ e(1 6/7)²




VA ROG REPEDE
DAU COROANA ​

Answer 1

Răspuns:

Explicație pas cu pas:

a) (8/11)² = 8/11 · 8/11 = 64/121

b) (3/4)³ = 3/4 ·3/4 ·3/4 = 27/64

c) (-2/3)⁴ =(2/3)⁴ =  16/81

d (-5/6)³ = -125/216

e) (1 6/7)² = [(1·7+6)/7]² = (13/7)² = 169/49