Jul 23, 2017 #51 G GrayHare Thinks s/he gets paid by the post Joined Nov 21, 2011 Messages 3,924 In two thirds of the equations the + operator is defective, hence odds favor it being defective for the 4th equation too, and thus any (2 digit?) integer is an acceptable answer.
In two thirds of the equations the + operator is defective, hence odds favor it being defective for the 4th equation too, and thus any (2 digit?) integer is an acceptable answer.
Jul 23, 2017 #53 M marko Give me a museum and I'll fill it. (Picasso) Give me a forum ... Joined Mar 16, 2011 Messages 8,456 34
