mary188 mary188

13-12-2016
Mathematics

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What's the pattern in 30 21 12 3 -6

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jkwon23 jkwon23

13-12-2016

[tex]a_b=39 - 9b[/tex]

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LilyLikesMusic LilyLikesMusic

13-12-2016

The pattern is Subtract 9 from the previous number to get the next number

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