Răspunsuri

2014-10-18T17:24:03+03:00
A-b=87539  => a=b+87539
b-c=89907 => b=c+89907
c-d=79638 => c=d+79638
d=56849
c=56849+79638
c=136487
b=136487+89907
b=226394
a=226394+87539
a=313933
2 5 2