10 106 - ( 8 508 - 3 469) = ?
31 010 - ( 5 000 - 3 774) = ?
( 1 000 + 200) : (20*5) = ?
( 4 000 - 500:100) * 10 = ?

10106 - (8508 - 3469) = 10106 - 5039 = 5067

31010 - (5000 - 3774) = 31010 - 1226 = 29784

(1000 + 200) / 20 * 5 = 1200 / 100 = 12

(4000 - 500 / 100) * 10 = (4000 - 5) * 10 = 3995 * 10 = 39950