/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: soron0o0 https://cdn.slidesharecdn.com/profile-photo-soron0o0-48x48.jpg?cb=1523692453 My Life is the summarize of differentiation* and integration* .... sometimes it could be resulted zero or sometimes it gives more ...... *conditions apply