Portal:Mathematics/Fun corner
Jump to navigation
Jump to search
Phone number birthday puzzle
Media:http://www.quickanddirtytips.com/sites/default/files/styles/article_3_columns_two_third/public/images/6943/phone-number-keypad.jpg?itok=uAwk8MYB File:Http://www.quickanddirtytips.com/sites/default/files/styles/article 3 columns two third/public/images/6943/phone-number-keypad.jpg?itok=uAwk8MYB.jpg