Răspuns:
1. •x=56000 x:10=5600 x:100=560 x:1000=56
•x=80000 x:10=8000 x:100=800 x:1000=80
•x=124000 x:10=12400 x:100=1240 x:1000=124
•x=409000 x:10=40900 x:100=4090 x:1000=409
•x=910000 x:10=91000 x:100=9100 x:1000=910
•x=675000 x:10=67500 x:100=6750 x:1000=675
2. c) •990000:11000=9
•1767000:3100=570
•78960:140=564