Question

III) Calcula o valor das expressões :
a) ( 7 x7 + 5 ) : (18 – 15 :3 +5 ) x 2 =
b) ( 30 – 5 x 6 ) : ( 7 +2 x10) x (40 - 30 + 5 ) =

Answer 1

Resposta:

a) 54 : 18 × 2 =

3 × 2 =

6

b) 0 : 27 × 15 =

405