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multiplication is the Inverse operationof division so it could be used to check my work
a division metheod use to solve a division problem
You use basic facts to do the division problem.
you can use commutative property anywhere as long as u keep the symbol -,+ and division and multiplacation ex 2 x 3 - 9 = 2-9 x 3
Not sure about the first part of the question, but when doing long division, the partial answer is multiplied by the divisor to get a product, which then is subtracted from the dividend, to see how much is left over.