вычислите (15 5/6 -9 25/27) - (2/3-5/18) + 7/27 + 13/18 . Created by Катя756756. matematika-ru

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July 2022 1 2 Report

вычислите (15 5/6 -9 25/27) - (2/3-5/18) + 7/27 + 13/18

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ivawka2006 (15 5/6 -9 25/27) - (2/3-5/18) + 7/27 + 13/18 = 6 1/2
15 5/6-9 25/27=95/6-268/27=(855-536)/54=319/54
2/3-5/18=(12-5)/18=7/18
319/54-7/18+7/27+13/18=(319-21+14+39)/54=351/54=6 1/2

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