Răspunsuri

2014-10-23T17:11:26+03:00
A+b=1331
b+c=1624
a+c=1385
2a+2b+2c=4340
a+b+c=4340:2
a+b+c=2170
a=2170-1624
a=546
b=2170-1385
b=295
c=2170-1331
c=739