1) 589 × 205 = 120745
589 ×205 ----- 2945 000 1178 ----- 120745
2) 72000 : 900 = 80
-72000|900
7200| 80
------
0
3) 420 010 – 391 956 = 28054
420010 -391956 -------- 028054
4) 28054 : 160 = 175,3375
-28054,0000|160
160 |175,3375
-----
1205
-1120
-----
854
-800
-----
540
-480
-----
600
-480
-----
1200
-1120
-----
800
-800
-----
0
5) 308 × 804 = 247632
308 ×804 ----- 1232 000 2464 ----- 247632
6) 80 × 28054 = 2244320
28054 ×80 ----- 00000 224432 ----- 2244320
7) 2244320 : 160 = 14027
-2244320|160
160 |14027
-----
644
-640
-----
432
-320
-----
1120
-1120
-----
0
8) 120745 – 14027 = 106718
120745 - 14027 -------- 106718
9) 106718 + 247632 = 354350
106718 +247632 -------- 354350
Ответ: 354350