Clojure-How to add successive pairs in vector?

Question

Trying to write a recursive function that adds successive pairs in a vector.

[1 2 3 4] => [3 5 7]

Pretty much stuck and this is what I h

Answer 1

Partition takes an extra argument specifying how far to step forward between each partition.

(map #(apply + %) (partition 2 1 [1 2 3 4 5])) =>

(3 5 7 9)