<PRE><B>Question 790546</B>
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Two of the answers move order of the numbers, that is &quot;commutes&quot; them.  Think about &quot;commuting to work&quot;; you go from place to place.


Two of the answers group the numbers, that is, they cause certain numbers to &quot;associate&quot; with each other in pairs.


Find one of the answers that causes the numbers to associate in DIFFERENT ways.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
&lt;font face=&quot;Math1&quot; size=&quot;+2&quot;&gt;Egw to Beta kai to Sigma&lt;/font&gt;
My calculator said it, I believe it, that settles it
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