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  • Utilizator Brainly
2014-07-28T11:53:18+03:00
A+b+c+d=1026
a+b=549
a+b+c=911
b+c+d=796

911+d=1026
d=1026-911
d=115

a+796=1026
a=1026-796
a=230

230+b=549
b=549-230
b=319

230+319+c=911
549+c=911
c=911-549
c=362

Verificare: 230+319+362+115=1026
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