Perform the following calculations:

Решение:

Выполним вычитание и сложение по столбикам.

1. \( 423 - 311 = 112 \)
2. \( 949 - 769 = 180 \)
3. \( 696 + 193 = 889 \)
4. \( 287 + 589 = 876 \)
5. \( 1000 - 768 = 232 \)
6. \( 932 - 845 = 87 \)
7. \( 798 + 192 = 990 \)
8. \( 922 + 64 = 986 \)
9. \( 609 - 544 = 65 \)
10. \( 413 - 307 = 106 \)
11. \( 698 + 181 = 879 \)
12. \( 909 + 54 = 963 \)
13. \( 158 - 124 = 34 \)
14. \( 619 - 533 = 86 \)
15. \( 335 - 159 = 176 \)
16. \( 995 - 675 = 320 \)

Ответ: 112, 180, 889, 876, 232, 87, 990, 986, 65, 106, 879, 963, 34, 86, 176, 320.