الصفحة الرئيسيةshowerthoughts If humans didn't have 10 fingers there's a good chance we wouldn't use base 10 for our numbering system. admin مارس 08, 2021 0 تعليقات Facebook Twitter If humans didn't have 10 fingers there's a good chance we wouldn't use base 10 for our numbering system. Tags showerthoughts Facebook Twitter
