Răspuns :
a+b+c=273
a+b=173
b+c=198
a+b+c=273
a+b=173
c=273-173
c=100
a+b+c=273
b+c=198
a=273-198
a=75
Din b+c=198 si c=100 =>
b+100=198
b=198-100
b=98
a+b=173
b+c=198
a+b+c=273
a+b=173
c=273-173
c=100
a+b+c=273
b+c=198
a=273-198
a=75
Din b+c=198 si c=100 =>
b+100=198
b=198-100
b=98
1. a+b+c=273
a+b=173
b+c=198
173+c=273
c=273-173
c=100
b+100=198
b=198-100
b=98
100+98+a=273
198+a=273
a=173-198
a=75
2. a+b+c=273
a+b=173
b+c=198
173+c=273
c=273-173
c=100
a+198=273
a=273-198
a=75
75+b+100=273
75+b=273-100
75+b=173
b=173-75
b=98
a+b=173
b+c=198
173+c=273
c=273-173
c=100
b+100=198
b=198-100
b=98
100+98+a=273
198+a=273
a=173-198
a=75
2. a+b+c=273
a+b=173
b+c=198
173+c=273
c=273-173
c=100
a+198=273
a=273-198
a=75
75+b+100=273
75+b=273-100
75+b=173
b=173-75
b=98