Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-20 02:14Z
\frac{4}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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∂y/∂t = 6y
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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\frac{12}{1} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
2H₂ + O₂ → 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 7 4 ; 4 8 | = 40
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∇ × E = −∂B/∂t
∑_{k=1}^{n} k = n(n+1)/2
det| 1 3 ; 3 2 | = -7