Cevaplar

2013-01-07T22:04:41+02:00

moleküllllllllllllllllllllllllllllllllllllllllllll

0
2013-01-07T22:05:01+02:00

iyonik bağ karseşşşşşşşşşşşşşşşşşşşşşşşşşşşşşşş

0