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
∑_{k=1}^{n} k = n(n+1)/2
362K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
179K
det| 7 4 ; 1 8 | = 52
\binom{n}{k} = \frac{n!}{k!(n-k)!}
442K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
42K
λ = h/p
Fe₂O₃ + 3CO → 2Fe + 3CO₂
41K
∂r/∂φ = 4r
det| 8 4 ; 1 9 | = 68
7x² + 9x + 3 = 0