Question

Calcule o valor das expressões

Answer 1

b) 1-27=-26

c)1/3+2/3=1+2/3=3/3=1
=1/2

d)1/8×4/9×1/9=1/18

Answer 2

Oi...

a) ( - 2)² + ( - 2)³

4 - 8

- 4

b) ($-3)^0-(-3)^3$

1 + 27

28

c) $3 ^-^1+(\frac{3}{2})^-^1$

1/3 × 2/3

1 +2 / 3

3/3

1

d)

$8^-^1.(2/3)^2$

1/8.4/9⇒simplifique o fator comum por 4.

1/2 . 1/9= multiplique

1/18

Espero ter ajudado