Lauxia_XV ga ngerti: integral sec x ama integral csc x... - #7jez71 - Plurk

14 years ago

ga ngerti: integral sec x ama integral csc x...

bunga_kharissa says

14 years ago

14 years ago

knapa?

14 years ago

立即下載

bunga_kharissa says

14 years ago

rasakan