a) (146 + 24) * ( 805 - 776) = 170 * 29 = 4930
b) (1207 + 398) + (25 *18) = 1605 + 450 = 2055
c) (97 * 85) - ( 2450 - 1208) = 8245 - 1242 = 7003
d) [(28* 78) + (15 * 51)] - 1000 = (2184 + 765) - 1000 = 2949 - 1000= 1949
e) [2 * (1196 + 729)] - (84 * 25) = ( 2 * 1925) - 2100 = 3850 - 2100 = 1750