??7
 x 3??
  ?0?3
  ?1?
 ?5?
 ?7??3

The above equation was written on a chalkboard to represent an example of a correctly answered multiplication problem. However, the class prankster went when the teacher wasn't looking and smudged many of the numbers. What did the original problem read?

(In reply to Answer by K Sengupta)

I guess this proves that even good mathematicians get elementary stuff wrong! (They wouldn't just copy the [incorrect] anwer would they?)   

:-)   :-)   :-)

Posted by JayDeeKay on 2009-01-21 13:37:16