Today’s puzzles were inspired by Michael Jacobs “Introductory Thinking Tasks”.
You all know the Fibonacci series: a term is the sum of the two previous terms, with the first two given. The top row shows a classic sequence:
Your task is of course to fill in the empty spaces of the other two rows.
New puzzles are published at least once a month on Fridays. Solutions are published after one or more weeks. You are welcome to remark on the difficulty level of the puzzles, discuss alternate solutions, and so on. Puzzles are rated on a scale of 1 to 5 stars. You can check your solution here.
justpuzzles 
Thank you for wonderful puzzles! I do wonder about your solution to this one though … since (without spoiling the puzzle) 1.3 + 2.3 = 3.6, not 3.5, if I understand your solution correctly. Cheers!