456
x 803
-----
1368
+000
+3648
-----
366168
605
x 102
-----
1210
+000
+605
-----
61710
105
x 420
-----
000
+ 210
+420
-----
44100
521
x 180
-----
000
+4168
+521
-----
93780
180 876 + 251 367 = 432 243
432243 | 9
-42 | 48027
---
12
-9
--
32
-27
--
54
-54
--
03
- 0
--
3
580 000 – 35 410 = 544 590
544590 | 90
-540 | 6051
---
459
-450
---
90
-90
--
0
Ответ: 456 ⋅ 803 = 366168; 605 ⋅ 102 = 61710; 105 ⋅ 420 = 44100; 521 ⋅ 180 = 93780; (180 876 + 251 367) : 9 = 48027; (580 000 – 35 410) : 90 = 6051