I wrote some math problems in the college entrance examination, but there are many garbled words in them. I guess they are some mathematical symbols. How to make these symbols display normally?

Simple, download a mathtype, such as MathType, or open word, right-click in the right margin of the title bar of word, click Customize in the pop-up menu, click Command, click Insert in the command, and then find the formula editor in the insert. Left-click and let it go to the title bar of the open word document. Then you click on this formula editor, prompting you to insert the installation disk. Just follow the prompts.

Then click the icon of this formula editor to bring up the formula editing window, and you can use it.

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