Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:07Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
269K
det| 11 2 ; 1 12 | = 130
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
376K
det| 1 1 ; 1 2 | = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
139K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
344K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
399K
\oint_C \vec{F}\cdot d\vec{r} = 0
347K
det| 2 7 ; 2 3 | = -8
224K
\oint_C \vec{F}\cdot d\vec{r} = 0
333K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
379K