Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:40Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
445K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-α²) dα = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
212K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-n²) dn = √π / 2
405K
det| 7 4 ; 1 8 | = 52
det| 7 4 ; 4 8 | = 40
442K
λ = h/p
∫₀^∞ e^(-ψ²) dψ = √π / 2
41K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
369K