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Write the rule for this pattern 1, 2, 4, 7, 11

User Centurian
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1 Answer

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I'm not sure how to write the rule, but every time you add one more to the sum of the last two. First, you add 1, then 2, then 3. 1+1=2 2+2=4 4+3=7 7+4=11 and so on. I hope this helps!
User John Rasch
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