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September 17, 2014

September 17, 2014

Posted by **catalina** on Monday, June 4, 2007 at 5:10pm.

3 6 9 15 24 39 ?

I do not understand?

you add 3 then 3 then 6 then 9 then 15 I do not see the pattern...please help

catalina the answer is 57

- math -
**Anonymous**, Tuesday, September 6, 2011 at 7:02pm63

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