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Aflati daca este corecta :
50:5:2+(81-3):3=500:100+81:3-3:3
Este adevarat


Răspuns :

50:5:2+(81-3):3=
50:5:2+78:3
10:2+26
5+26
31

500:100+81:3-3:3=
5+27-1
32-1
31
Este adevarat
5+78:3=5+27-1
5+26=31
31=31 (A)