Question

CALCULE AS EXPRESSÕES
(- 2/5) × [(2/4) × (-2/3)² + 3] =

5× (-2/5) ³ + 4 × (-2/3) ² + 6 × (-2/3) +1=​

Answer 1

Resposta:

(- 2/5) × [(2/4) × (-2/3)² + 3] =

(- 2/5) × [(2/4) × (4/9) + 3] =

(- 2/5) × [(2/9) + 3] =

(- 2/5) × (29/9) =

- 58/45

5× (-2/5) ³ + 4 × (-2/3) ² + 6 × (-2/3) +1=

5× (-8/125) + 4 × (4/9) + 6 × (-2/3) +1=

- 8/25 + 16/9 - 4 + 1

-8/25 + 16/9 -3

-72/225 + 400/225 - 675/225 = -347/225