what is common? 14, 23, 113, 311, 320, 401, 500

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joe
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what is common? 14, 23, 113, 311, 320, 401, 500

Postby joe » Fri Sep 17, 2010 12:20 am

to the following numbers 14, 23, 113, 311, 320, 401, 500 and also a 1 digit number that belongs to this group. I would say they are whole numbers, positive and the 1 digit that is common is 1. Am I off target?

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little_dragon
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Re: what is common? 14, 23, 113, 311, 320, 401, 500

Postby little_dragon » Fri Sep 17, 2010 10:31 am

1+4=5
2+3=5
1+1+3=5
3+1+1=5
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