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What Sequence Are Missing 1, 2, 3, 5, ?, 13, 21,?

9

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Anonymous answered
1, 2, 3, 5, 8, 13, 21
1 + 1 = 2
2 + 1 = 3
3 + 2 = 5
5 + 3 = 8
8 + 5 = 13
13 + 8 =21
21 + 13 =34 etc
Anonymous Profile
Anonymous answered
5+3 =8
8+13 = 21
21+13=34

Answer = 8 & 34
Anonymous Profile
Anonymous answered
11, 24
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Anonymous answered
8&34
Vin Ginge Profile
Vin Ginge answered
8 and 34
This is a Fibonacci sequence where (after the first two terms) successive terms equal the sum of the two previous terms. : 3 = 2 + 1 : 5 = 3 + 2 : 8 = 5 + 3 : 13 = 8 + 45 : 21 = 13 + 8 : 34 = 21 + 13.

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