chuotcon123 > 12-29-2010, 02:05 AM
beckquy > 12-29-2010, 02:07 AM
Archangel > 12-29-2010, 05:03 AM
kids0407 > 12-29-2010, 05:56 AM
xxvipxx172 > 12-29-2010, 06:33 AM
chuotcon123 > 12-29-2010, 08:08 AM
rikana > 12-29-2010, 01:27 PM
chuotcon123 Đã viết:so sánh
2+√(2) với 5- √(3)