Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:03Z
∇ × E = −∂B/∂t
AgNO₃ + NaCl → AgCl↓ + NaNO₃
36K
det| 11 2 ; 1 12 | = 130
\binom{n}{k} = \frac{n!}{k!(n-k)!}
131K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
376K
det| 1 1 ; 1 2 | = 1
10ψ² + 2ψ + 3 = 0
det| 4 8 ; 6 5 | = -28
91K
∑_{k=1}^{n} k = n(n+1)/2
295K
det| 12 7 ; 7 13 | = 107
399K
\frac{6}{2} \sum_{i=1}^{n} i^{2}
333K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
137K
\oint_C \vec{F}\cdot d\vec{r} = 0
333K