34328 !98 42847 !42 9194 !34 1180 !167
294 ! 42 ! 68 ! 1169 !
! 350 1020 270 7
492 84 239 11 ост
490 84 238
28 ост 7-ост 14 ост
64600 ! 315
630 !
205
1600
1575
25 ост
651×20-x=1980-103
13020-x=1877
x=11143
2.
7005×7-x=102×2
49035-x=204
x=49035-204
x=48831
3.
x-5004=3021×30
x-5004=90630
x=90630+5004
x=95634