\dfrac {15}r-1
r
15
β1start fraction, 15, divided by, r, end fraction, minus, 1...
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Mathematics, 15.12.2020 01:00 miracle9704
\dfrac {15}r-1
r
15
β1start fraction, 15, divided by, r, end fraction, minus, 1 when r=5r=5r, equals, 5
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Answers: 1
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