Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:10Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
445K
det| 5 6 ; 1 6 | = 24
193K
\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 7 4 ; 4 8 | = 40
322K
∫₀^∞ e^(-x²) dx = √π / 2
235K
∫₀^∞ e^(-α²) dα = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}