Question

resolva as expressões numéricas.4•{7+9[7•4÷2(8+3-1•5)+3]-4}

Answer 1

4·{7+9[7·4÷2(8+3-1·5)+3]-4}
4·{7+9[7·4÷2(8+3-5)+3]-4}
4·{7+9[7·4÷2+6+3]-4}
4·{7+9[28÷2+6+3]-4}
4·{7+9[14+9]-4}
4.{7+9+23-4}
4·{16+19}
4·35
140