Question

calcule o valor das expr4essoes: 4/7 - { 5/7 - [ 8/7 - ( 9/7 - 3/7 ) ] }

Answer 1

Resposta:

1/7

Explicação passo a passo:

Calcule o valor das expressões:

4/7 - { 5/7 - [ 8/7 - ( 9/7 - 3/7 ) ] }

= 4/7 - {5/7 - [8/7 - (6/7)]}

= 4/7 - {5/7 - [8/7 - 6/7]}

= 4/7 - {5/7 - [2/7]}

= 4/7 - {5/7 - 2/7}

= 4/7 - {3/7}

= 4/7 - 3/7

= 1/7