Предмет: Математика, автор: leehhafv

найти среднее арифметическое чисел 11,62 ; 21,3 ; 18,25 ; 19,3 ; 20,62 ;

Ответы

Автор ответа: Surish

11,62+21,3+18,25+19,3+20,62/5=91,09/5=18,218;

то есть сумму делим на количество

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