8.12.2020

384

Գտիր  անհայտ բաժանարարը։

ա)                                                 բ)

45:9=5                                         48:8=6

540:6=90                                     320:4=80

780:12=65                                  4140:230=18                  

388

1. 3000:25=120

2. 9900: 45=220

3.   18*32=576