Răspuns:
a)
363:3=121
3
---
=6
6
---
=3
3
-----
===
V:121×3=363
(v adica verificare)
663:3=221
6
---
=6
6
---
=3
3
---
===
V:221×3=663
b)
286:2=143
2
---
=8
8
---
=6
6
---
===
V:143×2=286
168:8=21
16
---
==8
8
---
===
V:21×8=168
c)
605:5=121
5
---
10
10
---
5
5
---
===
V:121×5=605
614:2=37
6
---
=14
14
---
===
V:37×2=614
In continuare nu se vede pare rau!