Question

Resolva as expressoes numericas 480:{20×[86-12×(5+2)] elevado ao quadrado}

Answer 1

Boa tarde!!

480:{ 20× [86-12×(5+2) ]² }

480:{ 20× [86 -12×7]² }

480:{20×[86 -84]² }

480:{20×2² }

480:20×4

480:80 = 6

Bons estudos!