Question

{[(8 • 4 + 3) ÷ 7 + (3 + 15 ÷ 5) • 3] • 2 – (19 – 7) ÷ 6} • 2 + 12= *
1 ponto
( a ) 101
( b ) 100
( c ) 102
( d )103

Answer 1

{[(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

{[(32+3)÷7+(3+3)×3]•2-(12)÷6}•2+12

{[35÷7+6 ×3]•2 - 12 ÷6}•2+12

{[5+18]•2 - 2}•2+12

{23 •2 - 2}•2+12

{46 - 2}•2+12

44•2+12

88+12 = 100

b; 100

a propósito, sua foto é perfeita.