What's Going On? (Posted on 2005-07-05)

      87678          185634
    + 43125        +  86257
    -------        --------
    1821784           62872

	Submitted by Bractals
Rating: 3.0000 (3 votes)
Solution:	(Hide)
The base is minus nine. Addition is the same as with a plus nine base. Except a carry is minus one if the column to the left sums to greater than zero; eighteen otherwise. -1(-9)^n = 1(-9)^(n+1) + 8(-9)^n

	Subject	Author	Date
	Puzzle Solution	K Sengupta	2022-03-02 21:09:21
	re: solution -how i got it	josh	2005-07-06 02:43:21
	solution	josh	2005-07-06 02:23:21
	Solution (spoiler)	Richard	2005-07-06 00:51:33
	a thought	Paul	2005-07-05 21:13:22