(45:5+10×2-14)×5-(7×4+14:7):5+19-49=

Răspuns :

(45:5+10.2-14).5-(7.4+14:7):5+19-49
(9+20-14).5-(28+2):5+19-49
(29-14).5-30:5+19-49
15.5-6+19-49
75-6+19-49
69+19-49
88-49
39