50 + 12 × [ 214 - 240 ÷ ( 16 - 2 × 5 ) ] - 10 × 100 = 1 138
= 50 + 12 × [ 214 - 240 : ( 16 - 10 ) ] - 1 000 =
= 50 + 12 × ( 214 - 240 : 6 ) - 1 000 =
= 50 + 12 × ( 214 - 40 ) - 1 000=
= 50 + 12 × 174 - 1 000 =
= 50 + 2 088 - 1 000 =
= 2 138 - 1 000 =
= 1 138