O
6
V10
1-
Β
Ά·ΊΠ
Κ
[564]
Agnus Dei
05/04/30 22:00:59 ID:Q|P|
x2-x1/t2-t1=x/t
O
Ά·ΊΠ
Κ
r.php ver5.03 (2007/10/29)