Projective Geometry n=3

Instructions: Click and reclick to move four 'cards' to the discard row, under the horizontal line. For the remaining 9 cards, arrange them so that the cards in each row, column, and diagonal have a symbol in common. (Hint: Discard 4 cards which share a symbol!) More detailed instructions are here .

Copyright © 2013, Donna Ann Dietz | This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License