Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:22Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-φ²) dφ = √π / 2
193K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
235K
∫₀^∞ e^(-α²) dα = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
212K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
362K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
179K
det| 9 4 ; 1 10 | = 86
442K
∑_{k=1}^{n} k = n(n+1)/2
42K