Răspuns:
50)36-19=17 36-
19
----
17
-----------------------------------------
51)
28+
17
---
45
-------------------------------------------------
52.
36+
25
____
61
-------------------------
53.
48-
29
___
19
--------------------
54.
23+
16
___
39
____________________
55.
36+
39
___
75
56.
Cate jucarii are Adina
35-4=31
Cate jucaroii au impreuna
35+31=66
57
69-
35
----
34
58.
37-
28
-------
=9
59.11colege +12 colegi +1(Elena)=23+1=24
60
17 baieti+11 fete+1(Corina)=29
17+
11
1
---------
29
Explicație pas cu pas:
