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How to insert a "Previous" action button in the lower right corner of the third slide in the slide?
Operation in the third picture: slide show in the menu bar-action button (select the button pattern you want, drag it to the place where you want to put the button, and a dialog box will pop up)-hyperlink to-select the slide in the drop-down menu-if you want to return to the previous picture, just select the serial number of the previous picture.

I want to say enough details, I am a beginner, and this operation can achieve the purpose you want.