Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:11Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 5 6 ; 1 6 | = 24
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
\oint_C \vec{F}\cdot d\vec{r} = 0
212K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
405K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
442K
det| 11 9 ; 5 12 | = 87
42K