[wsj-responsive-image P="//si.wsj.net/public/resources/images/B3-AN872_MATH_P_20180523160812.jpg" J="//si.wsj.net/public/resources/images/B3-AN872_MATH_J_20180523160812.jpg" M="//si.wsj.net/public/resources/images/B3-AN872_MATH_M_20180523160812.jpg" caption="" credit="Luci Gutierrez" placement="Inline" suppressEnlarge="true" ] The coach decides it’s time for the team to get some more numerical exercise. Sudoku Variant Place numbers in the grid so that each row and each column contain the numbers... Читать дальше...