11978 | 52
-104 |-----
----- | 230
157
-156
----
18
- 0
---
18
\[ 230 \times 52 + 18 = 11960 + 18 = 11978 \]
34051 | 420 -3360 |----- ----- | 81 451 -420 ---- 31
\[ 81 \times 420 + 31 = 34020 + 31 = 34051 \]
22700 | 74
-222 |-----
---- | 306
50
- 0
---
500
-444
----
56
\[ 306 \times 74 + 56 = 22644 + 56 = 22700 \]
Ответ: