Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:12Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
322K
det| 2 7 ; 7 3 | = -43
235K
∫₀^∞ e^(-α²) dα = √π / 2
∫₀^∞ e^(-θ²) dθ = √π / 2
212K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
362K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 8 ; 3 5 | = -4
179K
det| 7 4 ; 1 8 | = 52
det| 7 4 ; 4 8 | = 40
369K