Предмет: Математика, автор: dovlad

найдите среднее арифметическое двух если первое число равно 6,4 а другое состовляет 30%

Ответы

Автор ответа: triolana

6,4*0,3=1,92 второе число
(6,4+1,92):2=4,16 ср арифм
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Автор ответа: knukles98

nice!

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