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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