Posted on October 5, 2017 by admin Adding 10–19, Practice 2 19 + 14 10 + 12 15 + 17 13 + 11 14 + 17 14 + 16 16 + 18 11 + 19 15 + 10 10 + 17 Post navigationPrevious post: Adding 20, Practice 3Next post: Question #1