Saturday, December 26, 2009

How to make a true equation using numbers 1 to 9?

Using each number only once, make a true 3 digit equation.





abc


+def


_____


ghi





You can carry to make the problem work. The solution should be different each time.How to make a true equation using numbers 1 to 9?
519+264=783


I knew that you had to carry because you only had 9 numbers. The carrying couldn't occur in the hundreds column because the sum would end up being a 4 digit number. Knowing this, I just played around with it. (This is my homework assignment too and I came here looking for an answer...lol)
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