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125+{14×[40+(x+240):4]-34}×14=38849

Răspuns :

Deva
{14x[40+(x+240):4]-34}x14=38849-125=38724
14x[40+(x+240):4]-34=38724:14=2766
14x[40+(x+240):4]=2766+34=2800
40+(x+240):4=2800:14=200
(x+240):4=200-40=160
x+240=160x4=640
x=640-240=400
Guss
125+{14×[40+(x+240):4]-34}×14=38849 ..... 125+{14×[40+a:4]-34}×14=38849.... 125+{14×b-34}×14=38849.... 125+c×14=38849.... c×14=38849-125.... c×14=38724.... c=38724:14..... c=2766.... 14×b-34=2766.... 14×b=2766+34.... 14×b=2800.... b=2800:14... b=200..... 40+a:4=200.... a:4=200-40.... a:4=160.... a=160×4.... a=640..... X+240=640.... X=640-240.... X=400