Asked by julian

the numbers below are Fibonacci numbers.

1,1,2,3,5,8,13,21,34,55,...
write a rule for the pattern. what are the next three numbers?

Answers

Answered by Reiny
F(1) = 1
F(2) = 1
F(n) = F(n-1) + F(n-2), n > 2, n is an element of N (natural numbers)

so next two numbers .... 89, 144 , 233
Answered by julian
the rule??????????????????
Answered by julian
plus I'm in 4th grade
Answered by Reiny
ok, in words ...
"to get the next number, add up the two previous ones"

e.g. 5+8 = 13
21+34 = 55
etc.

BTW, to type " the rule ??????????? " is not the most polite way for a 4th grade to ask for help.
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