Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:09Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
445K
∫₀^∞ e^(-t²) dt = √π / 2
193K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
322K
∫₀^∞ e^(-α²) dα = √π / 2
∫₀^∞ e^(-x²) dx = √π / 2
362K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
179K
det| 7 4 ; 1 8 | = 52
∑_{k=1}^{n} k = n(n+1)/2
442K
\lim_{t\to 0} \frac{\sin t}{t} = 1
41K