Look in the WORD interface first? Insert? Menu, in? Insert? Select under the menu? Object? Option to insert an object in the popup? Dialog box? Object type? Choose from them? icros？ oft？ Formula 3.0? After confirmation, you will enter the formula editing state. In this state, the editing area has a display box, which is the location of the formula, and a floating selection box called formula. There are many formula templates in the formula selection box, so you can understand them yourself, hehe!

Click the left mouse button anywhere outside the display box to exit formula editing and return to WORD document editing.

Is it simple? Hmm. How interesting