4.68 Найдите значение выражения: 1) (5782: 413 + 27). (1608 : 134-7) – 150; 2) 245 + (8802 : 326 + 24). (4608 : 384 – 8).

Решение:

1) (5782 : 413 + 27) ⋅ (1608 : 134 - 7) – 150 =

1. 5782 : 413 = 14
2. 14 + 27 = 41
3. 1608 : 134 = 12
4. 12 - 7 = 5
5. 41 ⋅ 5 = 205
6. 205 - 150 = 55

2) 245 + (8802 : 326 + 24) ⋅ (4608 : 384 – 8) =

1. 8802 : 326 = 27
2. 27 + 24 = 51
3. 4608 : 384 = 12
4. 12 – 8 = 4
5. 51 ⋅ 4 = 204
6. 245 + 204 = 449

Ответ: 1) 55; 2) 449