Question

Calcule o valor das expressões numéricas:

a) 45 – { 4 . [( 9 . 12 – 14 . 7 ) : ( 15 – 5 . 2 )]}=


b) 20 : 4 + 3 . 2 – 15 : 3=


c) [ 25 – ( 18 : 3 )]. { 5 – [ 18 – ( 4 . 5 – 4 )]}=

Answer 1

Resposta:

usa o App de dar resposta, protomath