1) 36894:2+1984:16-24029=18447 + 124 - 24029 = 18571 -24029 = - (24029 - 18571) = -5458
2) 16×19:4+1096875= 16:4 *19 - 1096875 = 4*19 - 1096875 =76 - 1096875 = - (1096875 -76)= -1096799
3) 2000000-84376+25×34= 2000000-84376+ 850 = 1915624 +850 =1916474