Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:03Z
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
36K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
269K
det| 11 2 ; 1 12 | = 130
∑_{k=1}^{n} k = n(n+1)/2
det| 9 2 ; 3 10 | = 84
240K
det| 1 1 ; 1 2 | = 1
\frac{6}{3} \sum_{i=1}^{n} i^{2}
139K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
344K
det| 1 7 ; 0 2 | = 2
201K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
443K
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
det| 4 8 ; 7 5 | = -36
379K
∫₀^∞ e^(-ω²) dω = √π / 2
332K