Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:03Z
∇ × E = −∂B/∂t
\oint_C \vec{F}\cdot d\vec{r} = 0
269K
det| 11 2 ; 1 12 | = 130
det| 4 9 ; 6 5 | = -34
131K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
376K
det| 1 1 ; 1 2 | = 1
\frac{12}{9} \sum_{i=1}^{n} i^{2}
139K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
344K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
det| 1 5 ; 1 2 | = -3
295K
\frac{3}{7} \sum_{i=1}^{n} i^{2}
443K
det| 9 8 ; 0 10 | = 90
224K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
379K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
332K