Question

{[(8 · 4 + 3) ÷ 5 + (3 + 15 ÷ 5) · 3] -2}= *

Answer 1

Resposta:

{[(8 · 4 + 3) ÷ 5 + (3 + 15 ÷ 5) · 3] -2}

{[(32+3) ÷ 5 + (3 + 15 ÷ 5) · 3] -2}

{[(35) ÷ 5 + (3 + 15 ÷ 5) · 3] -2}

{[7 + (3 + 15 ÷ 5) · 3] -2}

{[7 + (3 + 3) · 3] -2}

{[7 + (6) · 3] -2}

{[7 +18] -2}

{25 -2}

=23