Sunday

April 20, 2014

April 20, 2014

Posted by **PRIDE** on Wednesday, February 27, 2008 at 7:22pm.

five ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways that

the positive integer 5 can be represented as a sum of 1's or 2's.

- algebra -
**drwls**, Thursday, February 28, 2008 at 2:08am1 + 2 + 2

2 + 1 + 2

2 + 2 + 1

1 + 1 + 3

1 + 3 + 1

3 + 1 + 1

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