Предмет: Математика, автор: kris089516

среднее арифметическое чисел 5,2; y и -2 равно 1,5 найдете y

Ответы

Автор ответа: kirichekov
0
(5+2+y+(-2))/4=1,5
5+y=6
y=1
Автор ответа: selmash21
0
(5.2+у+(-2))/4=1.5
5.2+у-2=4×1.5
3.2+у=6
у=6-3.2
у=2.8
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