Posted in Uncategorized

21-2-2020

407

14+14+14+14+14+14+14+14+14+14=140

8+8+8+8+8+9+9+9+9=76

52-4-4-4-4-4-4-4-4=20

51.4+49.4=400

51.4-49.4=8

4.125+5.125+125=1250

16.72-4.72-2.72=720

408

ա)756․3=2268

2.819=1638

բ)2.448=896

312.3=936

409

ա)25808:8=3226

18=2160:120

բ)1736:124=14

1220=6100:5

410

ա)24.66=1584

21420=306.70

բ)55.30=1650

2640=80.33

411

ա)5697+537=6234

321=7486-7165

բ)15874=11231+4643

52646-305=52341

412

300.85=25500մմ

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