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Mathematics, 19.05.2020 03:00 veah808
\dfrac{4}{r} = \dfrac{5}{7} r 4 = 7 5 start fraction, 4, divided by, r, end fraction, equals, start fraction, 5, divided by, 7, end fraction r =r=r, equals
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\dfrac{4}{r} = \dfrac{5}{7} r 4 = 7 5 start fraction, 4, divided by, r, end fraction, equals, star...
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