Question

1. Calculează în coloniţă şi efectuează probele
22:2=
25:2=
36:3=
42:2=
482:2=
360:3=
269:2= 631:3=​

Answer 1

Salutare!

22:2=11

2

=2

2

=

• Proba: 11×2=22

25:2=12 rest 1

2

=5

4

1

• Proba: 12×2+1=24+1=25

36:3=12

3

=6

6

=

• Proba: 12×3=36

42:2=21

4

=2

2

=

• Proba: 21×2=42

482:2=241

4

=8

8

=2

2

=

• Proba: 241×2=482

360:3=120

3

=6

6

=0

• Proba: 120×3=360

269:2=134 rest 1

2

=6

6

=9

8

1

• Proba: 134×2+1=268+1=269

631:3=210 rest 1

6

=3

3

=1

• Proba: 210×3+1=630+1=631

#Succes!