Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:22Z
∇ × E = −∂B/∂t
\frac{10}{5} \sum_{i=1}^{n} i^{2}
36K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
269K
det| 11 2 ; 1 12 | = 130
∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
139K
det| 5 5 ; 5 6 | = 5
344K
\frac{5}{6} \sum_{i=1}^{n} i^{2}
201K
\oint_C \vec{F}\cdot d\vec{r} = 0
295K
det| 4 2 ; 4 5 | = 12
399K
∑_{k=1}^{n} k = n(n+1)/2
347K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
443K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
224K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
333K