Mathematics, 08.12.2020 22:30 tpowell4957

Elsie say that to solve 17-9, she can take one from 17 and give it to the 9 to make 10. So 17-9 is equal to 16-10. John thinks Elsie made a mistake.
Who is correct?

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Elsie say that to solve 17-9, she can take one from 17 and give it to the 9 to make 10. So 17-9 is e...

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