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What's next in this number sequence: 52, 32, 22, 14, x?

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What's next in this number sequence: 52, 32, 22, 14, x?
posted Apr 18 by anonymous

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1 Answer

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52, 32, 22, 14, 6
52-5*2*2=32
32-3*2*2=22
22-2*2*2=14
14-1*4*2=6

answer Apr 18 by Hanifa Mammadov
in the last step,why you multiplied by 4 instead of 2?kindly elaborate it.
calculation step for next term if the number is ab-> ab - a*b*2, in this case it is 14- 1*4*2=6
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