Use hole saw to drill around each screw.
Use as small size as possible.
When plywood sheet comes up, you will have plywood circles on floor held down with screws.
Put 2x4 block against each circle and bang with large hammer, or pry each with big bar.
The repair subfloor.
If you need further help, I’m available over the phone at
https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
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