shutdown無敵~~@! 正在
8 years ago
Surjective, Injective and Bijective
shutdown無敵~~@!
8 years ago
數域
shutdown無敵~~@!
8 years ago
rational number 有理數
你好我是CC
8 years ago
這是 在做筆記嗎@@
立即下載
shutdown無敵~~@!
8 years ago
喔對阿