Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:11Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
445K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-r²) dr = √π / 2
322K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
235K
∫₀^∞ e^(-α²) dα = √π / 2
d/dz [z^11] = 11z^10
362K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 1 8 | = 52
∑_{k=1}^{n} k = n(n+1)/2
442K
det| 9 4 ; 1 10 | = 86
42K
det| 9 9 ; 5 10 | = 45
41K