Question

{[(8•4+3)÷7+(3+15÷5)•3]•2_(19_7)÷6}•2+12=
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Answer 1

Resposta:

= 100

Explicação passo-a-passo:

{[(8•4+3)÷7+(3+15÷5)•3]•2_(19_7)÷6}•2+12= >

{[(32 + 3)÷7+(3+3)•3]•2-(12)÷6}•2+12=>  {[(35)÷7+(6)•3]•2 - 2}•2+12=>

{[5 + 18]•2 - 2}•2+12=>  {23•2 - 2}•2+12 =>   {46 - 2}•2+12 => 44•2+12 =>

=> 88+12 => 100

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