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19 answers

You need to add the last two numbers together 1 1 2 3 5 8 13 and so on

2006-09-14 10:21:06 · answer #1 · answered by Banwa 3 · 2 1

That's the Fibonacci sequence
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, etc.
what you do is add the last 2 numbers from the sequence together
so 0+1=1
1+1=2
1+2=3
2+3=5
3+5=8 etc.

2006-09-16 00:56:53 · answer #2 · answered by **rainbow** 2 · 0 0

It seems to be the Fibonacci`s sequence...
With this consideration, we can easily find the other terms...
The sequence begins with 1, 1 ... and the other terms are the sum of the two last terms, so we have:
f(1) = 1,
f(2)=1,
f(3) = f(1)+f(2) =2,
f(4) = f(3)+f(2) = 5, ...
and you go ahead
f(5)=f(4)+f(3) = 8...

2006-09-14 10:28:58 · answer #3 · answered by vahucel 6 · 0 0

This sequence is the Fibonacci (sp?) sequence. The next number is the sum of the first two. For example, 1+1 = 2, 1+2=3, 2+3=5 and so on.

2006-09-14 10:24:55 · answer #4 · answered by D S 1 · 3 0

Just add the last two numbers.
1+1=2
1+2=3
2+3=5
3+5=8
5+8=13........this is the 5th sequence and so on.....

2006-09-14 10:27:12 · answer #5 · answered by Old Man of Coniston!. 5 · 0 0

It's 8
1, 1+2= 3
2+3=5
5+3=8

Good luck

2006-09-14 11:46:25 · answer #6 · answered by damari_8 4 · 0 0

1 + 1 = 2
1 + 2 = 3
2 + 3 = 5
3 + 5 = 8
5 + 8 = 13
and so on, not rocket science, just Fibonacci

2006-09-14 10:23:16 · answer #7 · answered by DTs 2 · 3 0

1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6785.

Are the 1st 20 terms for the sequence, just add the last 2 numbers together to find the next term. Hope this helped.
Hover your mouse over the numbers i have written it will give you the whole 1st 20. Its called the Fibonacci sequence.

2006-09-14 10:25:51 · answer #8 · answered by Kelly D 4 · 2 0

Its fibonnacci's sequence you add the numbers next to each other together.

1, 1+1, 1+2, 2+3, 3+5, 5+8 and so on.

Looks impressive if you then go backwards dividing all the numbers by the one next to them! (If you want to be a swot)

2006-09-15 04:21:13 · answer #9 · answered by Stealthy Ninja 2 · 0 0

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, ...

2006-09-14 10:23:06 · answer #10 · answered by Anonymous · 3 0

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