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70030070040
https://www.adamaths.com/forum/viewtopic.php?f=54&t=1148
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70030070040
Posted:
Mon Sep 11, 2017 6:15 pm
by
ada
What number can be added to the following list in order for the median to increase by $1$?<br><br>  $27,13,8,18,1,22,4,11,15,20$