doublechu 覺得
15 years ago
Lagrangian真是該死...算一題算好久喔QQ
doublechu
15 years ago
XD
Potter 飛
15 years ago
= = 真的要算好久
doublechu
15 years ago
樓上好朋友
立即下載
Potter 飛
15 years ago
Cool! 只能一直算一直算!