Răspunsuri

2014-10-28T20:17:07+02:00
X=2748
y=2748+3648=6396
x+y= 2748+6396=9144
9144-4976=4168
2014-10-28T20:20:01+02:00
2748+3648=6396   2748+6396=9144    9144-4976=4168