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  1. <?php
  2. error_reporting(-1);
  3.  
  4.  
  5. $marks = array(4, 5, 3, 5, 4, 2, 5, 4, 3, 5, 4, 5);
  6.  
  7. $sum = array_sum($marks); 
  8. $count = count($marks); 
  9. $average = $sum / $count; 
  10.  
  11. echo "Сумма оценок: {$sum}\n";
  12. echo "Всего оценок: {$count}\n";
  13. echo "Средний балл: " . round($average, 2) . "\n";
  14.  
  15.  
Success #stdin #stdout 0.02s 26020KB
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Standard input is empty
stdout
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Сумма оценок: 49
Всего оценок: 12
Средний балл: 4.08
https://ideone.com/eclCrC
language:
PHP (php 7.3.5)
created:
1 day ago
visibility:
public

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