Can I just send the IRS a check for whatever and they'll just pay me back?

Since they actually already know how much I owe, instead of going through the tideous process of having to fill out those forms, calculate everything or paying someone else to do it, can I just send them a check for $10,000 and they'll just send me back the extra that I paid?

Can I just send the IRS a check for whatever and they'll just pay me back?
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