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Mathematics, 24.10.2021 14:00 angoliabirtio

\dfrac{ 6 }{ 2+ \sqrt{ 7 } } - \dfrac{ 2 }{ 3- \sqrt{ 7 } }

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\dfrac{ 6 }{ 2+ \sqrt{ 7 } } - \dfrac{ 2 }{ 3- \sqrt{ 7 } }...
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