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scale
  1. #!/bin/bash
  2. read n
  3.  
  4. summ=0
  5. for (( i=1 ; i<n+1 ; i++ ))
  6. do
  7. read num
  8. summ=$(($summ+$num))
  9. done
  10.  
  11. if [ $summ == 0 ]
  12.  
  13. then
  14.  
  15.         echo "0.000"
  16.  
  17. else
  18.  
  19.         echo "scale=3;$summ/$n" |bc
  20.  
  21. fi
  22.  
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