Question

resolva as expressões numéricas : a)1+8x3:2-2x5 b)(100 - 7x10):3 c)9 +2 x (9-1)-5 d) {4 x 2- [10 : (2+3)}:4 obs :coloquem o calculo

Answer 1

Resposta:a)1

b)10

c)20

d)1

Explicação passo-a-passo:a)1+8×3÷2-2×5

1+8×1-10

1+8-10

9-10

1

b)(100-7×10)÷3

(100-70)÷3

30÷3

10

c)9+2×(9-1)-5

9+2×8-5

9+16-5

25-5

20

d){4×2-[10÷(2+3)]}÷4

{4×2-[10÷5]}÷4

{4×2-2}÷4

{8-2}÷4

6÷4

1