Răspunsuri

  • Utilizator Brainly
2014-10-08T16:19:32+03:00
A+b+c=92
a+b=55
b+c=43

Acum inlocuim ultimele doua relatii in prima :

55+c=92
c=92-55
c=37

a+43=92
a=92-43
a=49

49+b=55
b=55-49
b=6
2014-10-08T16:22:19+03:00
A+b+c=92 a+b=55  b+c=43 55+c=92 c=92-55 c=37 b+37=43 b=43-37 b=6 a +6=55  a=55-6 a=49
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