Răspuns :
a+b=79
b+c=96
a+c=71
2a+2b+2c=246
2(a+b+c)=246
a+b+c=246:2=123
a+b=79
c=123-79
c=44
b+c=96
a=123-96
a=27
a+b=79
27+b=79
b=79-27
b=52
27+52+44=123
b+c=96
a+c=71
2a+2b+2c=246
2(a+b+c)=246
a+b+c=246:2=123
a+b=79
c=123-79
c=44
b+c=96
a=123-96
a=27
a+b=79
27+b=79
b=79-27
b=52
27+52+44=123
a+b=79
b+c=96
a+c=71
2a+2b+2c=246
2(a+b+c)=246
a+b+c=246:2=123
a+b=79
c=123-79
c=44
b+c=96
a=123-96
a=27
a+b=79
27+b=79
b=79-27
b=52
verificare
27+52+44=123
b+c=96
a+c=71
2a+2b+2c=246
2(a+b+c)=246
a+b+c=246:2=123
a+b=79
c=123-79
c=44
b+c=96
a=123-96
a=27
a+b=79
27+b=79
b=79-27
b=52
verificare
27+52+44=123