Question

Средне орефметическое 1,2,5,8,9

Answer 1

1+2+5+8+9=25/5=5 
тоесть вначале складываем все цифры, а потом делим их на количесво цифр

Answer 2

Складываете числа и делите на их кол-во!
(1+2+5+8+9):5=5

Answer 3

Calculating the Average

To find the average (or mean) of the numbers 1, 2, 5, 8, and 9, we can sum all the numbers together and then divide by the total count of numbers.

The calculation can be expressed as: (1 + 2 + 5 + 8 + 9) / 5 = 25 / 5 = 5.

The average of the numbers 1, 2, 5, 8, and 9 is 5.

[[3 #]] provides a calculation for the average of a set of numbers, including the specific calculation for the given numbers.

Conclusion

The average of the numbers 1, 2, 5, 8, and 9 is 5.