published on: 2015-06-13 14:51:48
foreverbestsmile.tumblr.com/post/121428913946/
foreverbestsmile.tumblr.com/post/121429018351/
foreverbestsmile.tumblr.com/post/121429056196/
Matematik kelimesi eski Yunan dilindeki ''Matesis'' kelimesinden
foreverbestsmile.tumblr.com/post/121435466811/
foreverbestsmile.tumblr.com/post/121435486866/