The division by zero is uniquely and reasonably determined as 1/0=0/0=z/0=0 in the natural extensions of fractions. We have to change our basic ideas for our space and world: http://www.scirp.org/journal/alamt http://dx.doi.org/10.4236/alamt.2016.62007 http://www.ijapm.org/show-63-504-1.html http://www.diogenes.bg/ijam/contents/2014-27-2/9/9.pdf *156 Qian,T./Rodino,L.(eds.):
Applications -Plenary Lectures: Isaac 2015, Macau, China. (Springer Proceedings in Mathematics and Statistics, Vol. 177) Sep. 2016 305 pp. (Springer) 9783319419435 25,370. http://okmr.yamatoblog.net/division%20by%20zero/announcement%20326-%20the%20divi 数学基礎学力研究会のホームページ URLは http://www.mirun.sctv.jp/~suugaku堪らなく楽しい数学-ゼロで割ることを考える 以 上