List S: -25, -10 , 0, 10, 25 The numbers in which of the follow

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List S: -25, -10 , 0, 10, 25

The numbers in which of the following lists have an average (arithmetic mean) that is equal to the average of the numbers in list S ?

Indicate all such lists.

A、−10, −5, 0, 5, 10
B、−20, −10, 0, 10, 20
C、−25, −20, 0, 10, 25
D、 −25, −5, 0, 5, 25

答案：A,B,D

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