Question

Calcule: a) 20-(1⁴.6+2³) b) 8³-√81:3 c)7.[4+(13-5)²]

Answer 1

Resposta:

A) 6

B)506,804

C)476

Explicação passo-a-passo:

A) 20-(1⁴.6+2³)

20 -(1 . 6 + 8)

20-(6+8)

20 - 14 =

6

b) 8³-√81:3

512 - √27

512 - 5,19 =

506,804

c)7.[4+(13-5)²]

7.[4+8²]

7.[4+64]

7. 68 =

476