Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:05Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
193K
\lim_{x\to 0} \frac{\sin x}{x} = 1
\frac{3}{2} \sum_{i=1}^{n} i^{2}
322K
∑_{k=1}^{n} k = n(n+1)/2
235K
∫₀^∞ e^(-α²) dα = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
179K
∑_{k=1}^{n} k = n(n+1)/2
405K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
42K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
41K