puteti face calculele?

250 : 5 = 50
25
--------
= = 0
0
---------
=
2500 : 50 = 50
250
----------
= = = 0
0
-----------
=
280 : 7 = 40
28
-------
= = 0
0
---------
=
2800 : 70 = 40
280
----------
= = = 0
0
-----------
=