1) 83-(4637+ 1289) - (19204 + 43853) = 83 - 5926 - 63057 = -68900
2) (69701-69007)•75+ (36431 - 27443) = 694 • 75 + 8988 = 52050 + 8988 = 61038
Ответ: 1) -68900; 2) 61038