Вычислить : (2154 ⋅ 32 + 2 ⋅ 8 ⋅ 406 ⋅ 2) : 4 - (6072: 12 - 3816:12): 4 =

Решение:

1. 2154 ⋅ 32 = 68928
2. 2 ⋅ 8 ⋅ 406 ⋅ 2 = 16 ⋅ 406 ⋅ 2 = 6496 ⋅ 2 = 13000
3. (68928 + 13000) : 4 = 81928 : 4 = 20482
4. 6072: 12 = 506
5. 3816:12 = 318
6. (506 - 318): 4 = 188: 4 = 47
7. 20482 - 47 = 20435

Ответ: 20435