/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: oboyz https://cdn.slidesharecdn.com/profile-photo-oboyz-48x48.jpg?cb=1523450869 10 - 1 = 19 10 - 2 = 28 ..... 10 - 10 = 100