20 Jan
2012
20 Jan
'12
9:36 p.m.
Consider equations like the following: 0+4+8+27+96=135 with an addition expression on the left side and a sum on the right side, in which each digit occurs exactly once. If you don't like 0 as a term, you can usually find another expression with same sum value: 2+6+9+48+70=135 Suppose, however, that the 0 term cannot be eliminated. What is the sum?