Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:03Z
∇ × E = −∂B/∂t
AgNO₃ + NaCl → AgCl↓ + NaNO₃
269K
det| 11 2 ; 1 12 | = 130
∑_{k=1}^{n} k = n(n+1)/2
det| 6 7 ; 6 7 | = 0
240K
det| 9 1 ; 7 10 | = 83
376K
det| 1 1 ; 1 2 | = 1
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
139K
10ψ² + 2ψ + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
201K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
295K
∑_{k=1}^{n} k = n(n+1)/2
443K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
332K
\oint_C \vec{F}\cdot d\vec{r} = 0
212K