Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 15:00Z
2n² + 2n + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
445K
det| 9 4 ; 1 10 | = 86
193K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 11 9 ; 0 12 | = 132
322K
∑_{k=1}^{n} k = n(n+1)/2
235K
6ψ² + 3ψ + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
405K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
442K
\oint_C \vec{F}\cdot d\vec{r} = 0
42K