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2014-09-22T18:07:35+03:00
  • Utilizator Brainly
2014-09-22T18:14:56+03:00
A=prima piesa
b=a doua piesa
c=a treia piesa

a+b+c=155
a=b+28
c=b+22

b+28+b+b+22=155
3b+50=155
3b=155-50
3b=105
b=35

a=b+28
a=35+28
a=63

c=b+22
c=35+22
c=57


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