Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:10Z
∇ × E = −∂B/∂t
AgNO₃ + NaCl → AgCl↓ + NaNO₃
269K
det| 11 2 ; 1 12 | = 130
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
131K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
139K
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
∑_{k=1}^{n} k = n(n+1)/2
399K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
347K
det| 11 2 ; 2 12 | = 128
443K
det| 12 6 ; 1 13 | = 150
224K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
333K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
137K
det| 7 8 ; 0 8 | = 56
379K