Question

{[(8×4+3)÷7+(3+15÷5)×3]×2-(19-7)÷6}2×2+12=

Answer 1

Explicação passo-a-passo:

{[(8×4+3)÷7+(3+15÷5)×3]×2-(19-7)÷6}2×2+12=

{[(32+3)÷7+(3+3)×3]×2-(12)÷6}2×2+12=

{[(35)÷7+(6)×3]×2-(2}2×2+12=

{[(35÷7+(18]×2-4×2+12=

{[(5+36-8+12=

{[(41-20=

= 21