Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:11Z
∇ × E = −∂B/∂t
\frac{12}{9} \sum_{i=1}^{n} i^{2}
269K
det| 11 2 ; 1 12 | = 130
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
131K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 8 ; 0 10 | = 90
240K
det| 1 1 ; 1 2 | = 1
det| 12 7 ; 7 13 | = 107
139K
10ψ² + 2ψ + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
201K
\oint_C \vec{F}\cdot d\vec{r} = 0
399K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
224K
\oint_C \vec{F}\cdot d\vec{r} = 0
333K
\oint_C \vec{F}\cdot d\vec{r} = 0
379K