Question

expressões numéricas me ajude por favor​

Answer 1

Resposta:

b) ( 2+4² ÷ (2.5-3²).(3+2².(17+2³)]+ 5³)÷71

2+8÷2.5-3².3+2².17+2³+5³÷71

10÷2.5-3².17+2³+5³÷71

10÷10-3².17+2³+5³÷71

1-3².17+2³+5³÷71

8.17+2³+5³÷71

136+2³+5³÷71

144+5³÷71

269÷71

3...

Answer 2

{2 + 4² ÷ (2 × 5 - 3²) × [3 + 2² × (17 + 2³)] + 5³} ÷ 71.

{2 + 16 ÷ (2 × 5 - 9) × [3 + 4 × (17 + 8)] + 125} ÷ 71.

{2 + 16 ÷ 1 × [3 + 4 × 25] + 125} ÷ 71.

{2 + 16 ÷ 1 × 103 + 125} ÷ 71.

{2 + 1.648 + 125} ÷ 71.

1.775 ÷ 71 = 25.