Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
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d/dx [x^7] = 7x^6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
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∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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det| 9 4 ; 1 10 | = 86
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det| 9 5 ; 1 10 | = 85
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∑_{k=1}^{n} k = n(n+1)/2
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