Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:23Z
∇ × E = −∂B/∂t
det| 10 9 ; 7 11 | = 47
36K
\frac{9}{6} \sum_{i=1}^{n} i^{2}
269K
det| 11 2 ; 1 12 | = 130
∑_{k=1}^{n} k = n(n+1)/2
158K
∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
376K
det| 1 1 ; 1 2 | = 1
10ψ² + 2ψ + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
201K
N₂ + 3H₂ ⇌ 2NH₃
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
295K
4t² + 3t + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
333K
\frac{5}{8} \sum_{i=1}^{n} i^{2}
379K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
212K