Question

Efectuati:200+7×{9+2×[290-4×(32:8+66)]}

Answer 1

200+7x(9+2x(290-4x4+66))
200+7x9+2x290-4x70
200+7x9+2x290-280
200+7x9+2x10
200+7x9+20
200+63+20
263+20=283

Answer 2

200+7x{9+2x[290-4x(32:8+66)]}=
200+7x{9+2x[290-4x(4+66)]}=
200+7x[9+2x(290-4x70)]=
200+7x[9+2x(290-280)]=
200+7x(9+2x10)=
200+7x(9+20)=
200+7x29=
200+203=403