How to find the average value of x

How to calculate the average value of

x?

1. Taking Word2010 version as an example, the average value of

##2. Then under the insert menu bar, click the "Formula" option on the right;

3. In the formula pop-up box , select "Insert New Formula" at the bottom;

#4. This page will pop up, click on the "derivative symbol" on the right, and then select the horizontal The icon with the bar on it;

5. As shown below, enter the letter X in the horizontal bar box to get the average value of X.

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