Table will not be able to achieve the desired width using float?

problem description

I have some tables that I want them to arrange horizontally, and when I float them, I find that they are less than the parent width and will be missing a bit.

the environmental background of the problems and what methods you have tried

I have tried table coat div and clear floats, and I have also tried inline-table, where there is a gap between floats, or a bit missing as above.

what result do you expect?

Let the table float and keep the element width consistent

Aug.09,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b35e2d-2bfda.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35e2d-2bfda.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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