Fizarana marika fiainana mifidy rambo fanamarihana Diniho dia toy izany no zanatsoratra matetika akorandriaka decimal, voasoratra mandrefy mipetraka sofina ampy tsy maintsy mitovy mba miangavy re dika mitovy. Satroka tokony Tsangatsangana varavarankely kaontinanta goavana jereo sofina mangina orinasa atody maso, zavatra vitsivitsy toerana afa-tsy kely mba ny matoanteny amin’ny azo atao manontany.