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Posted by **Bianca** on Tuesday, October 23, 2007 at 7:39pm.

Number Series

I am having problems with these 2

3 2 6 4 9 6 12 8 (what should be next?)

3 6 9 12 9 6 3 6 (what should be next?)

- Math -
**Cheyenne**, Tuesday, October 23, 2007 at 7:52pm15

12

- Math -
**Jesse**, Thursday, August 21, 2008 at 4:39pmI know the top one is 15 because is goes 3 then 2 down then add 3 to the previous number(3) so thats 6 then 2 down etc.

for the second one i don't think its 12 i think its 9 because it goes up from 3 to 12 then starts counting down then when it gets to 3 it counts up again so the next one after 6 would be 9 :)

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