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PPT opening is a solution to the blank page
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How to extract the color of pictures in PPT
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How to select the blocked graphic object in PPT
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What are the shortcut keys commonly used in PPT
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What are the shortcut keys commonly used in ppt
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How to set the paper size when typesetting ppt
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How to modify the master background image in PPT
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How to set the border of PPT three lines
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