Răspunsuri

2014-08-29T11:58:32+03:00
A+b=220
b+c=588
a+c=438
2a+2b+2c=220+588+438
2x(a+b+c)=1246
se simplifica cu 2
a+b+c=623
220+c=623
c=403
b+403=588
b=185
a+185=220
a=35

2 3 2