Question 1208795
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The missing term can be any number.


For example,  1,  2,  -1,  67,  1234567890,   {{{sqrt(2)}}},  {{{e}}},  {{{pi}}},   {{{e^pi}}}   or  {{{pi^e}}}.


In two words - any number.


This problem/question is not mathematical and has no any relation to Math.


It is about reading the thoughts in the head of the author.


For such problems, fortune-tellers suit better than mathematicians.


Find another site for such exercises.


At this site, we perform totally different job.



Have a nice day.


May clear light always illuminates your path.