<![CDATA[Math Is Fun Forum / 4 digit no.]]>2012-10-12T14:01:09ZFluxBBhttp://www.mathisfunforum.com/viewtopic.php?id=18235<![CDATA[Re: 4 digit no.]]>Hi juan;

I am taking it that you mean the sum of the two 4 digit numbers must be a 4 digit number and in no column can there be a carry.

]]>http://www.mathisfunforum.com/profile.php?id=337902012-10-12T14:01:09Zhttp://www.mathisfunforum.com/viewtopic.php?pid=234961#p234961<![CDATA[4 digit no.]]>Two 4-digit numbers are to be formed such that the sum of the number is also a 4-digit number and in no place the addition is with carrying the number of ways of forming the number under above conditions is]]>2012-10-12T13:41:40Zhttp://www.mathisfunforum.com/viewtopic.php?pid=234960#p234960