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13 April, 03:59

What is the next number? in this pattern 3, - 6, 12, 4, 20,?

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  1. 13 April, 04:21
    0
    3 - 9 = - 6

    -6 + 9*2 = 12

    12 - 8 = 4

    4 + 2*8 = 20

    20 - 7 = 13

    13 + 2*7 = 27
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