Three Squared by Quinapalus
Each digit from 1 to 9 is used exactly once in the completed diagram.
One of the across answers is some other answer plus 20.
One of the down answers plus 298 is five times some other answer.
Thanks to Ben Lynn at Stanford for suggesting an improvement to this puzzle.
This page most recently updated Sat 16 Sep 16:09:16 BST 2017
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