Asked by Alex L.

I am stuck on doing this math problem written on a sheet of paper.
(eighty-one thousand minus fifty-five thousand, four hundred fifty-six)
It mas to be done manually, without a calculator.
Answered by Ms. Sue
These sites should help you figure out how to do your problem.

http://www.mathplayground.com/howto_regroupI.html

http://www.mathsisfun.com/numbers/subtraction-regrouping.html

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