Реши примеры: 401−148; 235000:50; 270·5; 8000·30; 32·60; 8370:93; 83+505; 81+470; 390+22; 736+30; 529−50; 763−522; 679−556; 964−820; 920000:800; 42·80; 45500:91; 67000:67; 318000:53; 81000:30; 98800:760; 59400:900; 30400:40; 284000:200; 655000:50.
- 401−148=253
- 235000:50=4700
- 270·5=1350
- 8000·30=240000
- 32·60=1920
- 8370:93=90
- 83+505=588
- 81+470=551
- 390+22=412
- 736+30=766
- 529−50=479
- 763−522=241
- 679−556=123
- 964−820=144
- 920000:800=1150
- 42·80=3360
- 45500:91=500
- 67000:67=1000
- 318000:53=6000
- 81000:30=2700
- 98800:760=130
- 59400:900=66
- 30400:40=760
- 284000:200=1420
- 655000:50=13100