Question

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

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