October 7th, 2015, 05:02 PM  #1 
Newbie Joined: Oct 2015 From: sacramento Posts: 7 Thanks: 0  Hard problem 2
915 483 2？7 what will be for ? SHOW YOUR WORK 
October 7th, 2015, 06:27 PM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,674 Thanks: 2654 Math Focus: Mainly analysis and algebra 
It's a "magic square", quite apart from the really obvious reason why the obvious answer is correct.


Tags 
hard, problem 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Hard problem!  jason384947365  Algebra  1  October 7th, 2015 07:15 PM 
Hard problem  Ionika  Algebra  0  February 5th, 2014 11:18 AM 
Hard problem  Cephal  Number Theory  0  December 27th, 2013 11:51 AM 
A really hard problem!  math221  Calculus  8  March 17th, 2013 05:51 PM 
hard problem  nguoidep_68  Algebra  3  October 31st, 2007 03:11 PM 