Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:11Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-α²) dα = √π / 2
∫₀^∞ e^(-α²) dα = √π / 2
212K
det| 7 4 ; 4 8 | = 40
362K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 1 8 | = 52
∑_{k=1}^{n} k = n(n+1)/2
442K
CH₄ + 2O₂ → CO₂ + 2H₂O
42K
det| 9 6 ; 0 10 | = 90
369K